do not pollute namespace in the headers with using (Closes: #500198)

98 files changed, 598 insertions, 629 deletions

diff --git a/apt-inst/contrib/arfile.cc b/apt-inst/contrib/arfile.cc
index 533c563f9..4e078349e 100644
--- a/apt-inst/contrib/arfile.cc
+++ b/apt-inst/contrib/arfile.cc
@@ -115,7 +115,7 @@ bool ARArchive::LoadHeaders()
       {
 	 unsigned int I = sizeof(Head.Name) - 1;
 	 for (; Head.Name[I] == ' ' || Head.Name[I] == '/'; I--);
-	 Memb->Name = string(Head.Name,I+1);
+	 Memb->Name = std::string(Head.Name,I+1);
       }
 
       // Account for the AR header alignment 
diff --git a/apt-inst/contrib/arfile.h b/apt-inst/contrib/arfile.h
index e2063cd71..bfc128ace 100644
--- a/apt-inst/contrib/arfile.h
+++ b/apt-inst/contrib/arfile.h
@@ -49,7 +49,7 @@ class ARArchive
 struct ARArchive::Member
 {
    // Fields from the header
-   string Name;
+   std::string Name;
    unsigned long MTime;
    unsigned long UID;
    unsigned long GID;
diff --git a/apt-inst/contrib/extracttar.h b/apt-inst/contrib/extracttar.h
index 42f8ef534..27c453d0d 100644
--- a/apt-inst/contrib/extracttar.h
+++ b/apt-inst/contrib/extracttar.h
@@ -19,8 +19,6 @@
 
 #include <algorithm>
 
-using std::min;
-
 class ExtractTar
 {
    protected:
@@ -38,7 +36,7 @@ class ExtractTar
    int GZPid;
    FileFd InFd;
    bool Eof;
-   string DecompressProg;
+   std::string DecompressProg;
    
    // Fork and reap gzip
    bool StartGzip();
@@ -48,7 +46,7 @@ class ExtractTar
 
    bool Go(pkgDirStream &Stream);
    
-   ExtractTar(FileFd &Fd,unsigned long Max,string DecompressionProgram);
+   ExtractTar(FileFd &Fd,unsigned long Max,std::string DecompressionProgram);
    virtual ~ExtractTar();
 };
 
diff --git a/apt-inst/database.cc b/apt-inst/database.cc
index 0647959a9..1a94e1353 100644
--- a/apt-inst/database.cc
+++ b/apt-inst/database.cc
@@ -17,7 +17,7 @@
 // ---------------------------------------------------------------------
 /* This re-initializes the meta temporary directory if it hasn't yet 
    been inited for this cycle. The flag is the emptyness of MetaDir */
-bool pkgDataBase::GetMetaTmp(string &Dir)
+bool pkgDataBase::GetMetaTmp(std::string &Dir)
 {
    if (MetaDir.empty() == true)
       if (InitMetaTmp(MetaDir) == false)
diff --git a/apt-inst/database.h b/apt-inst/database.h
index ef45bc2d6..cd0e310bc 100644
--- a/apt-inst/database.h
+++ b/apt-inst/database.h
@@ -30,8 +30,8 @@ class pkgDataBase
    
    pkgCacheGenerator *Cache;
    pkgFLCache *FList;
-   string MetaDir;
-   virtual bool InitMetaTmp(string &Dir) = 0;
+   std::string MetaDir;
+   virtual bool InitMetaTmp(std::string &Dir) = 0;
    
    public:
 
@@ -40,7 +40,7 @@ class pkgDataBase
    inline pkgFLCache &GetFLCache() {return *FList;};
    inline pkgCacheGenerator &GetGenerator() {return *Cache;};
    
-   bool GetMetaTmp(string &Dir);
+   bool GetMetaTmp(std::string &Dir);
    virtual bool ReadyFileList(OpProgress &Progress) = 0;
    virtual bool ReadyPkgCache(OpProgress &Progress) = 0;
    virtual bool LoadChanges() = 0;
diff --git a/apt-inst/deb/debfile.cc b/apt-inst/deb/debfile.cc
index e80d8c735..8ade547f5 100644
--- a/apt-inst/deb/debfile.cc
+++ b/apt-inst/deb/debfile.cc
@@ -107,8 +107,8 @@ bool debDebFile::ExtractControl(pkgDataBase &DB)
       return false;
    
    // Get into the temporary directory
-   string Cwd = SafeGetCWD();
-   string Tmp;
+   std::string Cwd = SafeGetCWD();
+   std::string Tmp;
    if (DB.GetMetaTmp(Tmp) == false)
       return false;
    if (chdir(Tmp.c_str()) != 0)
@@ -174,7 +174,7 @@ bool debDebFile::ExtractArchive(pkgDirStream &Stream)
 pkgCache::VerIterator debDebFile::MergeControl(pkgDataBase &DB)
 {
    // Open the control file
-   string Tmp;
+   std::string Tmp;
    if (DB.GetMetaTmp(Tmp) == false)
       return pkgCache::VerIterator(DB.GetCache());
    FileFd Fd(Tmp + "control",FileFd::ReadOnly);
diff --git a/apt-inst/deb/debfile.h b/apt-inst/deb/debfile.h
index 6b9f8ffc8..e404d81db 100644
--- a/apt-inst/deb/debfile.h
+++ b/apt-inst/deb/debfile.h
@@ -68,7 +68,7 @@ class debDebFile::MemControlExtract : public pkgDirStream
    char *Control;
    pkgTagSection Section;
    unsigned long Length;
-   string Member;
+   std::string Member;
    
    // Members from DirStream
    virtual bool DoItem(Item &Itm,int &Fd);
@@ -81,7 +81,7 @@ class debDebFile::MemControlExtract : public pkgDirStream
    bool TakeControl(const void *Data,unsigned long Size);
       
    MemControlExtract() : IsControl(false), Control(0), Length(0), Member("control") {};
-   MemControlExtract(string Member) : IsControl(false), Control(0), Length(0), Member(Member) {};
+   MemControlExtract(std::string Member) : IsControl(false), Control(0), Length(0), Member(Member) {};
    ~MemControlExtract() {delete [] Control;};   
 };
 									/*}}}*/
diff --git a/apt-inst/deb/dpkgdb.h b/apt-inst/deb/dpkgdb.h
index 125845f96..3656929aa 100644
--- a/apt-inst/deb/dpkgdb.h
+++ b/apt-inst/deb/dpkgdb.h
@@ -25,14 +25,14 @@
 class debDpkgDB : public pkgDataBase
 {
    protected:
-   
-   string AdminDir;
+
+   std::string AdminDir;
    DynamicMMap *CacheMap;
    DynamicMMap *FileMap;
    unsigned long DiverInode;
    signed long DiverTime;
-   
-   virtual bool InitMetaTmp(string &Dir);
+
+   virtual bool InitMetaTmp(std::string &Dir);
    bool ReadFList(OpProgress &Progress);
    bool ReadDiversions();
    bool ReadConfFiles();
diff --git a/apt-inst/extract.h b/apt-inst/extract.h
index 71222983c..7143fa409 100644
--- a/apt-inst/extract.h
+++ b/apt-inst/extract.h
@@ -33,7 +33,7 @@ class pkgExtract : public pkgDirStream
    
    bool HandleOverwrites(pkgFLCache::NodeIterator Nde,
 			 bool DiverCheck = false);
-   bool CheckDirReplace(string Dir,unsigned int Depth = 0);
+   bool CheckDirReplace(std::string Dir,unsigned int Depth = 0);
    
    public:
    
diff --git a/apt-inst/filelist.h b/apt-inst/filelist.h
index c74a310e4..69c483e71 100644
--- a/apt-inst/filelist.h
+++ b/apt-inst/filelist.h
@@ -48,7 +48,7 @@ class pkgFLCache
    class DiverIterator;
    
    protected:
-   string CacheFile;
+   std::string CacheFile;
    DynamicMMap &Map;
    map_ptrloc LastTreeLookup;
    unsigned long LastLookupSize;
diff --git a/apt-pkg/acquire-method.h b/apt-pkg/acquire-method.h
index 6551170c4..8acec82ed 100644
--- a/apt-pkg/acquire-method.h
+++ b/apt-pkg/acquire-method.h
@@ -34,8 +34,8 @@ class pkgAcqMethod
    {
       FetchItem *Next;
 
-      string Uri;
-      string DestFile;
+      std::string Uri;
+      std::string DestFile;
       time_t LastModified;
       bool IndexFile;
       bool FailIgnore;
@@ -43,14 +43,14 @@ class pkgAcqMethod
    
    struct FetchResult
    {
-      string MD5Sum;
-      string SHA1Sum;
-      string SHA256Sum;
-      string SHA512Sum;
-      vector<string> GPGVOutput;
+      std::string MD5Sum;
+      std::string SHA1Sum;
+      std::string SHA256Sum;
+      std::string SHA512Sum;
+      std::vector<std::string> GPGVOutput;
       time_t LastModified;
       bool IMSHit;
-      string Filename;
+      std::string Filename;
       unsigned long long Size;
       unsigned long long ResumePoint;
       
@@ -59,25 +59,25 @@ class pkgAcqMethod
    };
 
    // State
-   vector<string> Messages;
+   std::vector<std::string> Messages;
    FetchItem *Queue;
    FetchItem *QueueBack;
-   string FailReason;
-   string UsedMirror;
-   string IP;
+   std::string FailReason;
+   std::string UsedMirror;
+   std::string IP;
    
    // Handlers for messages
-   virtual bool Configuration(string Message);
+   virtual bool Configuration(std::string Message);
    virtual bool Fetch(FetchItem * /*Item*/) {return true;};
    
    // Outgoing messages
    void Fail(bool Transient = false);
-   inline void Fail(const char *Why, bool Transient = false) {Fail(string(Why),Transient);};
-   virtual void Fail(string Why, bool Transient = false);
+   inline void Fail(const char *Why, bool Transient = false) {Fail(std::string(Why),Transient);};
+   virtual void Fail(std::string Why, bool Transient = false);
    virtual void URIStart(FetchResult &Res);
    virtual void URIDone(FetchResult &Res,FetchResult *Alt = 0);
 
-   bool MediaFail(string Required,string Drive);
+   bool MediaFail(std::string Required,std::string Drive);
    virtual void Exit() {};
 
    void PrintStatus(char const * const header, const char* Format, va_list &args) const;
@@ -91,11 +91,11 @@ class pkgAcqMethod
    void Log(const char *Format,...);
    void Status(const char *Format,...);
    
-   void Redirect(const string &NewURI);
+   void Redirect(const std::string &NewURI);
  
    int Run(bool Single = false);
-   inline void SetFailReason(string Msg) {FailReason = Msg;};
-   inline void SetIP(string aIP) {IP = aIP;};
+   inline void SetFailReason(std::string Msg) {FailReason = Msg;};
+   inline void SetIP(std::string aIP) {IP = aIP;};
    
    pkgAcqMethod(const char *Ver,unsigned long Flags = 0);
    virtual ~pkgAcqMethod() {};
diff --git a/apt-pkg/acquire-worker.h b/apt-pkg/acquire-worker.h
index ce19091e4..848a6bad7 100644
--- a/apt-pkg/acquire-worker.h
+++ b/apt-pkg/acquire-worker.h
@@ -79,7 +79,7 @@ class pkgAcquire::Worker : public WeakPointable
     *
     *  \todo Doesn't this duplicate Config->Access?
     */
-   string Access;
+   std::string Access;
 
    /** \brief The PID of the subprocess. */
    pid_t Process;
@@ -118,13 +118,13 @@ class pkgAcquire::Worker : public WeakPointable
    /** \brief The raw text values of messages received from the
     *  worker, in sequence.
     */
-   vector<string> MessageQueue;
+   std::vector<std::string> MessageQueue;
 
    /** \brief Buffers pending writes to the subprocess.
     *
     *  \todo Wouldn't a std::dequeue be more appropriate?
     */
-   string OutQueue;
+   std::string OutQueue;
    
    /** \brief Common code for the constructor.
     *
@@ -183,7 +183,7 @@ class pkgAcquire::Worker : public WeakPointable
     *
     *  \return \b true.
     */
-   bool Capabilities(string Message);
+   bool Capabilities(std::string Message);
 
    /** \brief Send a 601 Configuration message (containing the APT
     *  configuration) to the subprocess.
@@ -214,7 +214,7 @@ class pkgAcquire::Worker : public WeakPointable
     *  603 Media Changed, with the Failed field set to \b true if the
     *  user cancelled the media change).
     */
-   bool MediaChange(string Message);
+   bool MediaChange(std::string Message);
    
    /** \brief Invoked when the worked process dies unexpectedly.
     *
@@ -242,7 +242,7 @@ class pkgAcquire::Worker : public WeakPointable
    /** \brief The most recent status string received from the
     *  subprocess.
     */
-   string Status;
+   std::string Status;
 
    /** \brief How many bytes of the file have been downloaded.  Zero
     *  if the current progress of the file cannot be determined.
diff --git a/apt-pkg/acquire.h b/apt-pkg/acquire.h
index ae555df22..93772403d 100644
--- a/apt-pkg/acquire.h
+++ b/apt-pkg/acquire.h
@@ -72,10 +72,6 @@
 #include <vector>
 #include <string>
 
-using std::vector;
-using std::string;
-
-
 #include <sys/time.h>
 #include <unistd.h>
 
@@ -107,8 +103,8 @@ class pkgAcquire
    friend class Item;
    friend class Queue;
 
-   typedef vector<Item *>::iterator ItemIterator;
-   typedef vector<Item *>::const_iterator ItemCIterator;
+   typedef std::vector<Item *>::iterator ItemIterator;
+   typedef std::vector<Item *>::const_iterator ItemCIterator;
 
    protected:
    
@@ -117,7 +113,7 @@ class pkgAcquire
     *  This is built monotonically as items are created and only
     *  emptied when the download shuts down.
     */
-   vector<Item *> Items;
+   std::vector<Item *> Items;
    
    /** \brief The head of the list of active queues.
     *
@@ -202,7 +198,7 @@ class pkgAcquire
     *  \return the string-name of the queue in which a fetch request
     *  for the given URI should be placed.
     */
-   string QueueName(string URI,MethodConfig const *&Config);
+   std::string QueueName(std::string URI,MethodConfig const *&Config);
 
    /** \brief Build up the set of file descriptors upon which select() should
     *  block.
@@ -248,7 +244,7 @@ class pkgAcquire
     *
     *  \return the method whose name is Access, or \b NULL if no such method exists.
     */
-   MethodConfig *GetConfig(string Access);
+   MethodConfig *GetConfig(std::string Access);
 
    /** \brief Provides information on how a download terminated. */
    enum RunResult {
@@ -319,7 +315,7 @@ class pkgAcquire
     *
     *  \return \b true if the directory exists and is readable.
     */
-   bool Clean(string Dir);
+   bool Clean(std::string Dir);
 
    /** \return the total size in bytes of all the items included in
     *  this download.
@@ -347,7 +343,7 @@ class pkgAcquire
     *  only one Acquire class is in action at the time or an empty string
     *  if no lock file should be used.
     */
-   bool Setup(pkgAcquireStatus *Progress = NULL, string const &Lock = "");
+   bool Setup(pkgAcquireStatus *Progress = NULL, std::string const &Lock = "");
 
    void SetLog(pkgAcquireStatus *Progress) { Log = Progress; }
 
@@ -372,11 +368,11 @@ class pkgAcquire
 struct pkgAcquire::ItemDesc : public WeakPointable
 {
    /** \brief The URI from which to download this item. */
-   string URI;
+   std::string URI;
    /** brief A description of this item. */
-   string Description;
+   std::string Description;
    /** brief A shorter description of this item. */
-   string ShortDesc;
+   std::string ShortDesc;
    /** brief The underlying item which is to be downloaded. */
    Item *Owner;
 };
@@ -420,7 +416,7 @@ class pkgAcquire::Queue
    };
    
    /** \brief The name of this queue. */
-   string Name;
+   std::string Name;
 
    /** \brief The head of the list of items contained in this queue.
     *
@@ -475,7 +471,7 @@ class pkgAcquire::Queue
     *  \return the first item in the queue whose URI is #URI and that
     *  is being downloaded by #Owner.
     */
-   QItem *FindItem(string URI,pkgAcquire::Worker *Owner);
+   QItem *FindItem(std::string URI,pkgAcquire::Worker *Owner);
 
    /** Presumably this should start downloading an item?
     *
@@ -538,7 +534,7 @@ class pkgAcquire::Queue
     *  \param Name The name of the new queue.
     *  \param Owner The download process that owns the new queue.
     */
-   Queue(string Name,pkgAcquire *Owner);
+   Queue(std::string Name,pkgAcquire *Owner);
 
    /** Shut down all the worker processes associated with this queue
     *  and empty the queue.
@@ -603,10 +599,10 @@ struct pkgAcquire::MethodConfig
    MethodConfig *Next;
    
    /** \brief The name of this acquire method (e.g., http). */
-   string Access;
+   std::string Access;
 
    /** \brief The implementation version of this acquire method. */
-   string Version;
+   std::string Version;
 
    /** \brief If \b true, only one download queue should be created for this
     *  method.
@@ -748,7 +744,7 @@ class pkgAcquireStatus
     *  \todo This is a horrible blocking monster; it should be CPSed
     *  with prejudice.
     */
-   virtual bool MediaChange(string Media,string Drive) = 0;
+   virtual bool MediaChange(std::string Media,std::string Drive) = 0;
    
    /** \brief Invoked when an item is confirmed to be up-to-date.
 
diff --git a/apt-pkg/algorithms.h b/apt-pkg/algorithms.h
index 86d5fbd53..f299f8189 100644
--- a/apt-pkg/algorithms.h
+++ b/apt-pkg/algorithms.h
@@ -37,8 +37,6 @@
 
 #include <iostream>
 
-using std::ostream;
-
 class pkgSimulate : public pkgPackageManager				/*{{{*/
 {
    protected:
@@ -63,13 +61,13 @@ class pkgSimulate : public pkgPackageManager				/*{{{*/
    pkgDepCache::ActionGroup group;
    
    // The Actuall installation implementation
-   virtual bool Install(PkgIterator Pkg,string File);
+   virtual bool Install(PkgIterator Pkg,std::string File);
    virtual bool Configure(PkgIterator Pkg);
    virtual bool Remove(PkgIterator Pkg,bool Purge);
 
 private:
    void ShortBreaks();
-   void Describe(PkgIterator iPkg,ostream &out,bool Current,bool Candidate);
+   void Describe(PkgIterator iPkg,std::ostream &out,bool Current,bool Candidate);
    
    public:
 
diff --git a/apt-pkg/aptconfiguration.cc b/apt-pkg/aptconfiguration.cc
index e1bc94f31..a0566e05e 100644
--- a/apt-pkg/aptconfiguration.cc
+++ b/apt-pkg/aptconfiguration.cc
@@ -59,10 +59,10 @@ const Configuration::getCompressionTypes(bool const &Cached) {
 		if ((*o).empty() == true)
 			continue;
 		// ignore types we have no method ready to use
-		if (_config->Exists(string("Acquire::CompressionTypes::").append(*o)) == false)
+		if (_config->Exists(std::string("Acquire::CompressionTypes::").append(*o)) == false)
 			continue;
 		// ignore types we have no app ready to use
-		string const appsetting = string("Dir::Bin::").append(*o);
+		std::string const appsetting = std::string("Dir::Bin::").append(*o);
 		if (_config->Exists(appsetting) == true) {
 			std::string const app = _config->FindFile(appsetting.c_str(), "");
 			if (app.empty() == false && FileExists(app) == false)
@@ -83,7 +83,7 @@ const Configuration::getCompressionTypes(bool const &Cached) {
 		if (std::find(types.begin(),types.end(),Types->Tag) != types.end())
 			continue;
 		// ignore types we have no app ready to use
-		string const appsetting = string("Dir::Bin::").append(Types->Value);
+		std::string const appsetting = std::string("Dir::Bin::").append(Types->Value);
 		if (appsetting.empty() == false && _config->Exists(appsetting) == true) {
 			std::string const app = _config->FindFile(appsetting.c_str(), "");
 			if (app.empty() == false && FileExists(app) == false)
@@ -95,7 +95,7 @@ const Configuration::getCompressionTypes(bool const &Cached) {
 	// add the special "uncompressed" type
 	if (std::find(types.begin(), types.end(), "uncompressed") == types.end())
 	{
-		string const uncompr = _config->FindFile("Dir::Bin::uncompressed", "");
+		std::string const uncompr = _config->FindFile("Dir::Bin::uncompressed", "");
 		if (uncompr.empty() == true || FileExists(uncompr) == true)
 			types.push_back("uncompressed");
 	}
@@ -441,7 +441,7 @@ Configuration::Compressor::Compressor(char const *name, char const *extension,
 				      char const *binary,
 				      char const *compressArg, char const *uncompressArg,
 				      unsigned short const cost) {
-	std::string const config = string("APT:Compressor::").append(name).append("::");
+	std::string const config = std::string("APT:Compressor::").append(name).append("::");
 	Name = _config->Find(std::string(config).append("Name"), name);
 	Extension = _config->Find(std::string(config).append("Extension"), extension);
 	Binary = _config->Find(std::string(config).append("Binary"), binary);
diff --git a/apt-pkg/cacheiterators.h b/apt-pkg/cacheiterators.h
index b97a1a589..464b2fdd8 100644
--- a/apt-pkg/cacheiterators.h
+++ b/apt-pkg/cacheiterators.h
@@ -111,7 +111,7 @@ class pkgCache::GrpIterator: public Iterator<Group, GrpIterator> {
 
 	inline const char *Name() const {return S->Name == 0?0:Owner->StrP + S->Name;};
 	inline PkgIterator PackageList() const;
-	PkgIterator FindPkg(string Arch = "any") const;
+	PkgIterator FindPkg(std::string Arch = "any") const;
 	/** \brief find the package with the "best" architecture
 
 	    The best architecture is either the "native" or the first
@@ -219,7 +219,7 @@ class pkgCache::VerIterator : public Iterator<Version, VerIterator> {
 	inline VerFileIterator FileList() const;
 	bool Downloadable() const;
 	inline const char *PriorityType() const {return Owner->Priority(S->Priority);};
-	string RelStr() const;
+	std::string RelStr() const;
 
 	bool Automatic() const;
 	VerFileIterator NewestFile() const;
@@ -365,7 +365,7 @@ class pkgCache::PkgFileIterator : public Iterator<PackageFile, PkgFileIterator>
 	inline const char *IndexType() const {return S->IndexType == 0?0:Owner->StrP + S->IndexType;};
 
 	bool IsOk();
-	string RelStr();
+	std::string RelStr();
 
 	// Constructors
 	inline PkgFileIterator() : Iterator<PackageFile, PkgFileIterator>() {};
diff --git a/apt-pkg/cdrom.h b/apt-pkg/cdrom.h
index 614062cbb..2241f1eba 100644
--- a/apt-pkg/cdrom.h
+++ b/apt-pkg/cdrom.h
@@ -6,8 +6,6 @@
 #include<vector>
 
 
-using namespace std;
-
 class pkgCdromStatus							/*{{{*/
 {
  protected:
@@ -20,12 +18,12 @@ class pkgCdromStatus							/*{{{*/
    // total steps
    virtual void SetTotal(int total) { totalSteps = total; };
    // update steps, will be called regularly as a "pulse"
-   virtual void Update(string text="", int current=0) = 0;
+   virtual void Update(std::string text="", int current=0) = 0;
    
    // ask for cdrom insert
    virtual bool ChangeCdrom() = 0;
    // ask for cdrom name
-   virtual bool AskCdromName(string &Name) = 0;
+   virtual bool AskCdromName(std::string &Name) = 0;
    // Progress indicator for the Index rewriter
    virtual OpProgress* GetOpProgress() {return NULL; };
 };
@@ -47,22 +45,22 @@ class pkgCdrom								/*{{{*/
    };
 
 
-   bool FindPackages(string CD,
-		     vector<string> &List,
-		     vector<string> &SList, 
-		     vector<string> &SigList,
-		     vector<string> &TransList,
-		     string &InfoDir, pkgCdromStatus *log,
+   bool FindPackages(std::string CD,
+		     std::vector<std::string> &List,
+		     std::vector<std::string> &SList, 
+		     std::vector<std::string> &SigList,
+		     std::vector<std::string> &TransList,
+		     std::string &InfoDir, pkgCdromStatus *log,
 		     unsigned int Depth = 0);
-   bool DropBinaryArch(vector<string> &List);
-   bool DropRepeats(vector<string> &List,const char *Name);
-   void ReduceSourcelist(string CD,vector<string> &List);
+   bool DropBinaryArch(std::vector<std::string> &List);
+   bool DropRepeats(std::vector<std::string> &List,const char *Name);
+   void ReduceSourcelist(std::string CD,std::vector<std::string> &List);
    bool WriteDatabase(Configuration &Cnf);
-   bool WriteSourceList(string Name,vector<string> &List,bool Source);
-   int Score(string Path);
+   bool WriteSourceList(std::string Name,std::vector<std::string> &List,bool Source);
+   int Score(std::string Path);
 
  public:
-   bool Ident(string &ident, pkgCdromStatus *log);
+   bool Ident(std::string &ident, pkgCdromStatus *log);
    bool Add(pkgCdromStatus *log);
 };
 									/*}}}*/
@@ -71,9 +69,9 @@ class pkgCdrom								/*{{{*/
 // class that uses libudev to find cdrom/removable devices dynamically
 struct CdromDevice							/*{{{*/
 {
-   string DeviceName;
+   std::string DeviceName;
    bool Mounted;
-   string MountPath;
+   std::string MountPath;
 };
 									/*}}}*/
 class pkgUdevCdromDevices						/*{{{*/
@@ -104,9 +102,9 @@ class pkgUdevCdromDevices						/*{{{*/
 
    // convenience interface, this will just call ScanForRemovable
    // with "APT::cdrom::CdromOnly"
-   vector<CdromDevice> Scan();
+   std::vector<CdromDevice> Scan();
 
-   vector<CdromDevice> ScanForRemovable(bool CdromOnly);
+   std::vector<CdromDevice> ScanForRemovable(bool CdromOnly);
 };
 									/*}}}*/
 
diff --git a/apt-pkg/clean.cc b/apt-pkg/clean.cc
index 1f96e941b..f5a939968 100644
--- a/apt-pkg/clean.cc
+++ b/apt-pkg/clean.cc
@@ -26,7 +26,7 @@
 // ---------------------------------------------------------------------
 /* Scan the directory for files to erase, we check the version information
    against our database to see if it is interesting */
-bool pkgArchiveCleaner::Go(string Dir,pkgCache &Cache)
+bool pkgArchiveCleaner::Go(std::string Dir,pkgCache &Cache)
 {
    bool CleanInstalled = _config->FindB("APT::Clean-Installed",true);
       
@@ -34,7 +34,7 @@ bool pkgArchiveCleaner::Go(string Dir,pkgCache &Cache)
    if (D == 0)
       return _error->Errno("opendir",_("Unable to read %s"),Dir.c_str());
 
-   string StartDir = SafeGetCWD();
+   std::string StartDir = SafeGetCWD();
    if (chdir(Dir.c_str()) != 0)
    {
       closedir(D);
@@ -63,21 +63,21 @@ bool pkgArchiveCleaner::Go(string Dir,pkgCache &Cache)
       for (; *I != 0 && *I != '_';I++);
       if (*I != '_')
 	 continue;
-      string Pkg = DeQuoteString(string(Dir->d_name,I-Dir->d_name));
+      std::string Pkg = DeQuoteString(std::string(Dir->d_name,I-Dir->d_name));
 
       // Grab the version
       const char *Start = I + 1;
       for (I = Start; *I != 0 && *I != '_';I++);
       if (*I != '_')
 	 continue;
-      string Ver = DeQuoteString(string(Start,I-Start));
+      std::string Ver = DeQuoteString(std::string(Start,I-Start));
   
       // Grab the arch
       Start = I + 1;
       for (I = Start; *I != 0 && *I != '.' ;I++);
       if (*I != '.')
 	 continue;
-      string const Arch = DeQuoteString(string(Start,I-Start));
+      std::string const Arch = DeQuoteString(std::string(Start,I-Start));
       
       if (APT::Configuration::checkArchitecture(Arch) == false)
 	 continue;
diff --git a/apt-pkg/clean.h b/apt-pkg/clean.h
index 1ebf68dc9..ad4049e83 100644
--- a/apt-pkg/clean.h
+++ b/apt-pkg/clean.h
@@ -20,11 +20,11 @@ class pkgArchiveCleaner
 
    protected:
    
-   virtual void Erase(const char * /*File*/,string /*Pkg*/,string /*Ver*/,struct stat & /*St*/) {};
+   virtual void Erase(const char * /*File*/,std::string /*Pkg*/,std::string /*Ver*/,struct stat & /*St*/) {};
 
    public:   
    
-   bool Go(string Dir,pkgCache &Cache);
+   bool Go(std::string Dir,pkgCache &Cache);
    virtual ~pkgArchiveCleaner() {};
 };
 
diff --git a/apt-pkg/contrib/cdromutl.cc b/apt-pkg/contrib/cdromutl.cc
index 9de795b60..187f6bd59 100644
--- a/apt-pkg/contrib/cdromutl.cc
+++ b/apt-pkg/contrib/cdromutl.cc
@@ -30,6 +30,8 @@
 #include <apti18n.h>
 									/*}}}*/
 
+using std::string;
+
 // IsMounted - Returns true if the mount point is mounted		/*{{{*/
 // ---------------------------------------------------------------------
 /* This is a simple algorithm that should always work, we stat the mount point
diff --git a/apt-pkg/contrib/cdromutl.h b/apt-pkg/contrib/cdromutl.h
index 38ed2996e..2c6afac0f 100644
--- a/apt-pkg/contrib/cdromutl.h
+++ b/apt-pkg/contrib/cdromutl.h
@@ -12,13 +12,11 @@
 
 #include <string>
 
-using std::string;
-
 // mount cdrom, DeviceName (e.g. /dev/sr0) is optional
-bool MountCdrom(string Path, string DeviceName="");
-bool UnmountCdrom(string Path);
-bool IdentCdrom(string CD,string &Res,unsigned int Version = 2);
-bool IsMounted(string &Path);
-string FindMountPointForDevice(const char *device);
+bool MountCdrom(std::string Path, std::string DeviceName="");
+bool UnmountCdrom(std::string Path);
+bool IdentCdrom(std::string CD,std::string &Res,unsigned int Version = 2);
+bool IsMounted(std::string &Path);
+std::string FindMountPointForDevice(const char *device);
 
 #endif
diff --git a/apt-pkg/contrib/configuration.h b/apt-pkg/contrib/configuration.h
index 2844ec097..f6f2a3c1d 100644
--- a/apt-pkg/contrib/configuration.h
+++ b/apt-pkg/contrib/configuration.h
@@ -34,21 +34,19 @@
 #include <vector>
 #include <iostream>
 
-using std::string;
-
 class Configuration
 {
    public:
    
    struct Item
    {
-      string Value;
-      string Tag;
+      std::string Value;
+      std::string Tag;
       Item *Parent;
       Item *Child;
       Item *Next;
       
-      string FullTag(const Item *Stop = 0) const;
+      std::string FullTag(const Item *Stop = 0) const;
       
       Item() : Parent(0), Child(0), Next(0) {};
    };
@@ -67,35 +65,35 @@ class Configuration
    
    public:
 
-   string Find(const char *Name,const char *Default = 0) const;
-   string Find(string const &Name,const char *Default = 0) const {return Find(Name.c_str(),Default);};
-   string Find(string const &Name, string const &Default) const {return Find(Name.c_str(),Default.c_str());};
-   string FindFile(const char *Name,const char *Default = 0) const;
-   string FindDir(const char *Name,const char *Default = 0) const;
-   std::vector<string> FindVector(const char *Name) const;
-   std::vector<string> FindVector(string const &Name) const { return FindVector(Name.c_str()); };
+   std::string Find(const char *Name,const char *Default = 0) const;
+   std::string Find(std::string const &Name,const char *Default = 0) const {return Find(Name.c_str(),Default);};
+   std::string Find(std::string const &Name, std::string const &Default) const {return Find(Name.c_str(),Default.c_str());};
+   std::string FindFile(const char *Name,const char *Default = 0) const;
+   std::string FindDir(const char *Name,const char *Default = 0) const;
+   std::vector<std::string> FindVector(const char *Name) const;
+   std::vector<std::string> FindVector(std::string const &Name) const { return FindVector(Name.c_str()); };
    int FindI(const char *Name,int const &Default = 0) const;
-   int FindI(string const &Name,int const &Default = 0) const {return FindI(Name.c_str(),Default);};
+   int FindI(std::string const &Name,int const &Default = 0) const {return FindI(Name.c_str(),Default);};
    bool FindB(const char *Name,bool const &Default = false) const;
-   bool FindB(string const &Name,bool const &Default = false) const {return FindB(Name.c_str(),Default);};
-   string FindAny(const char *Name,const char *Default = 0) const;
+   bool FindB(std::string const &Name,bool const &Default = false) const {return FindB(Name.c_str(),Default);};
+   std::string FindAny(const char *Name,const char *Default = 0) const;
 	      
-   inline void Set(const string &Name,const string &Value) {Set(Name.c_str(),Value);};
-   void CndSet(const char *Name,const string &Value);
+   inline void Set(const std::string &Name,const std::string &Value) {Set(Name.c_str(),Value);};
+   void CndSet(const char *Name,const std::string &Value);
    void CndSet(const char *Name,const int Value);
-   void Set(const char *Name,const string &Value);
+   void Set(const char *Name,const std::string &Value);
    void Set(const char *Name,const int &Value);
    
-   inline bool Exists(const string &Name) const {return Exists(Name.c_str());};
+   inline bool Exists(const std::string &Name) const {return Exists(Name.c_str());};
    bool Exists(const char *Name) const;
    bool ExistsAny(const char *Name) const;
 
    // clear a whole tree
-   void Clear(const string &Name);
+   void Clear(const std::string &Name);
 
    // remove a certain value from a list (e.g. the list of "APT::Keep-Fds")
-   void Clear(string const &List, string const &Value);
-   void Clear(string const &List, int const &Value);
+   void Clear(std::string const &List, std::string const &Value);
+   void Clear(std::string const &List, int const &Value);
 
    inline const Item *Tree(const char *Name) const {return Lookup(Name);};
 
@@ -127,11 +125,11 @@ class Configuration
 
 extern Configuration *_config;
 
-bool ReadConfigFile(Configuration &Conf,const string &FName,
+bool ReadConfigFile(Configuration &Conf,const std::string &FName,
 		    bool const &AsSectional = false,
 		    unsigned const &Depth = 0);
 
-bool ReadConfigDir(Configuration &Conf,const string &Dir,
+bool ReadConfigDir(Configuration &Conf,const std::string &Dir,
 		   bool const &AsSectional = false,
 		   unsigned const &Depth = 0);
 
diff --git a/apt-pkg/contrib/fileutl.h b/apt-pkg/contrib/fileutl.h
index 973a38cff..0d0451a46 100644
--- a/apt-pkg/contrib/fileutl.h
+++ b/apt-pkg/contrib/fileutl.h
@@ -31,8 +31,6 @@
 /* Define this for python-apt */
 #define APT_HAS_GZIP 1
 
-using std::string;
-
 class FileFd
 {
    protected:
@@ -41,8 +39,8 @@ class FileFd
    enum LocalFlags {AutoClose = (1<<0),Fail = (1<<1),DelOnFail = (1<<2),
                     HitEof = (1<<3), Replace = (1<<4) };
    unsigned long Flags;
-   string FileName;
-   string TemporaryFileName;
+   std::string FileName;
+   std::string TemporaryFileName;
    gzFile gz;
 
    public:
@@ -79,7 +77,7 @@ class FileFd
 	return T;
    }
 
-   bool Open(string FileName,OpenMode Mode,unsigned long Perms = 0666);
+   bool Open(std::string FileName,OpenMode Mode,unsigned long Perms = 0666);
    bool OpenDescriptor(int Fd, OpenMode Mode, bool AutoClose=false);
    bool Close();
    bool Sync();
@@ -93,9 +91,9 @@ class FileFd
    inline void EraseOnFailure() {Flags |= DelOnFail;};
    inline void OpFail() {Flags |= Fail;};
    inline bool Eof() {return (Flags & HitEof) == HitEof;};
-   inline string &Name() {return FileName;};
+   inline std::string &Name() {return FileName;};
    
-   FileFd(string FileName,OpenMode Mode,unsigned long Perms = 0666) : iFd(-1), 
+   FileFd(std::string FileName,OpenMode Mode,unsigned long Perms = 0666) : iFd(-1), 
             Flags(0), gz(NULL)
    {
       Open(FileName,Mode,Perms);
@@ -107,12 +105,12 @@ class FileFd
 
 bool RunScripts(const char *Cnf);
 bool CopyFile(FileFd &From,FileFd &To);
-int GetLock(string File,bool Errors = true);
-bool FileExists(string File);
-bool RealFileExists(string File);
-bool DirectoryExists(string const &Path) __attrib_const;
-bool CreateDirectory(string const &Parent, string const &Path);
-time_t GetModificationTime(string const &Path);
+int GetLock(std::string File,bool Errors = true);
+bool FileExists(std::string File);
+bool RealFileExists(std::string File);
+bool DirectoryExists(std::string const &Path) __attrib_const;
+bool CreateDirectory(std::string const &Parent, std::string const &Path);
+time_t GetModificationTime(std::string const &Path);
 
 /** \brief Ensure the existence of the given Path
  *
@@ -120,13 +118,13 @@ time_t GetModificationTime(string const &Path);
  *  /apt/ will be removed before CreateDirectory call.
  *  \param Path which should exist after (successful) call
  */
-bool CreateAPTDirectoryIfNeeded(string const &Parent, string const &Path);
+bool CreateAPTDirectoryIfNeeded(std::string const &Parent, std::string const &Path);
 
-std::vector<string> GetListOfFilesInDir(string const &Dir, string const &Ext,
+std::vector<std::string> GetListOfFilesInDir(std::string const &Dir, std::string const &Ext,
 					bool const &SortList, bool const &AllowNoExt=false);
-std::vector<string> GetListOfFilesInDir(string const &Dir, std::vector<string> const &Ext,
+std::vector<std::string> GetListOfFilesInDir(std::string const &Dir, std::vector<std::string> const &Ext,
 					bool const &SortList);
-string SafeGetCWD();
+std::string SafeGetCWD();
 void SetCloseExec(int Fd,bool Close);
 void SetNonBlock(int Fd,bool Block);
 bool WaitFd(int Fd,bool write = false,unsigned long timeout = 0);
@@ -134,10 +132,10 @@ pid_t ExecFork();
 bool ExecWait(pid_t Pid,const char *Name,bool Reap = false);
 
 // File string manipulators
-string flNotDir(string File);
-string flNotFile(string File);
-string flNoLink(string File);
-string flExtension(string File);
-string flCombine(string Dir,string File);
+std::string flNotDir(std::string File);
+std::string flNotFile(std::string File);
+std::string flNoLink(std::string File);
+std::string flExtension(std::string File);
+std::string flCombine(std::string Dir,std::string File);
 
 #endif
diff --git a/apt-pkg/contrib/hashes.cc b/apt-pkg/contrib/hashes.cc
index fd76bf229..05001f042 100644
--- a/apt-pkg/contrib/hashes.cc
+++ b/apt-pkg/contrib/hashes.cc
@@ -32,20 +32,20 @@ HashString::HashString()
 {
 }
 
-HashString::HashString(string Type, string Hash) : Type(Type), Hash(Hash)
+HashString::HashString(std::string Type, std::string Hash) : Type(Type), Hash(Hash)
 {
 }
 
-HashString::HashString(string StringedHash)				/*{{{*/
+HashString::HashString(std::string StringedHash)			/*{{{*/
 {
    // legacy: md5sum without "MD5Sum:" prefix
-   if (StringedHash.find(":") == string::npos && StringedHash.size() == 32)
+   if (StringedHash.find(":") == std::string::npos && StringedHash.size() == 32)
    {
       Type = "MD5Sum";
       Hash = StringedHash;
       return;
    }
-   string::size_type pos = StringedHash.find(":");
+   std::string::size_type pos = StringedHash.find(":");
    Type = StringedHash.substr(0,pos);
    Hash = StringedHash.substr(pos+1, StringedHash.size() - pos);
 
@@ -53,34 +53,34 @@ HashString::HashString(string StringedHash)				/*{{{*/
       std::clog << "HashString(string): " << Type << " : " << Hash << std::endl;
 }
 									/*}}}*/
-bool HashString::VerifyFile(string filename) const			/*{{{*/
+bool HashString::VerifyFile(std::string filename) const			/*{{{*/
 {
-   string fileHash;
+   std::string fileHash;
 
    FileFd Fd(filename, FileFd::ReadOnly);
    if(Type == "MD5Sum")
    {
       MD5Summation MD5;
       MD5.AddFD(Fd.Fd(), Fd.Size());
-      fileHash = (string)MD5.Result();
+      fileHash = (std::string)MD5.Result();
    }
    else if (Type == "SHA1")
    {
       SHA1Summation SHA1;
       SHA1.AddFD(Fd.Fd(), Fd.Size());
-      fileHash = (string)SHA1.Result();
+      fileHash = (std::string)SHA1.Result();
    }
    else if (Type == "SHA256")
    {
       SHA256Summation SHA256;
       SHA256.AddFD(Fd.Fd(), Fd.Size());
-      fileHash = (string)SHA256.Result();
+      fileHash = (std::string)SHA256.Result();
    }
    else if (Type == "SHA512")
    {
       SHA512Summation SHA512;
       SHA512.AddFD(Fd.Fd(), Fd.Size());
-      fileHash = (string)SHA512.Result();
+      fileHash = (std::string)SHA512.Result();
    }
    Fd.Close();
 
@@ -100,9 +100,9 @@ bool HashString::empty() const
    return (Type.empty() || Hash.empty());
 }
 
-string HashString::toStr() const
+std::string HashString::toStr() const
 {
-   return Type+string(":")+Hash;
+   return Type + std::string(":") + Hash;
 }
 
 // Hashes::AddFD - Add the contents of the FD				/*{{{*/
@@ -117,7 +117,7 @@ bool Hashes::AddFD(int const Fd,unsigned long long Size, bool const addMD5,
    while (Size != 0 || ToEOF)
    {
       unsigned long long n = sizeof(Buf);
-      if (!ToEOF) n = min(Size, n);
+      if (!ToEOF) n = std::min(Size, n);
       Res = read(Fd,Buf,n);
       if (Res < 0 || (!ToEOF && Res != (ssize_t) n)) // error, or short read
 	 return false;
diff --git a/apt-pkg/contrib/hashes.h b/apt-pkg/contrib/hashes.h
index 40c2ad064..81851dede 100644
--- a/apt-pkg/contrib/hashes.h
+++ b/apt-pkg/contrib/hashes.h
@@ -22,31 +22,28 @@
 #include <vector>
 #include <cstring>
 
-using std::min;
-using std::vector;
-
 // helper class that contains hash function name
 // and hash
 class HashString
 {
  protected:
-   string Type;
-   string Hash;
+   std::string Type;
+   std::string Hash;
    static const char * _SupportedHashes[10];
 
  public:
-   HashString(string Type, string Hash);
-   HashString(string StringedHashString);  // init from str as "type:hash"
+   HashString(std::string Type, std::string Hash);
+   HashString(std::string StringedHashString);  // init from str as "type:hash"
    HashString();
 
    // get hash type used
-   string HashType() { return Type; };
+   std::string HashType() { return Type; };
 
    // verify the given filename against the currently loaded hash
-   bool VerifyFile(string filename) const;
+   bool VerifyFile(std::string filename) const;
 
    // helper
-   string toStr() const;                    // convert to str as "type:hash"
+   std::string toStr() const;                    // convert to str as "type:hash"
    bool empty() const;
 
    // return the list of hashes we support
diff --git a/apt-pkg/contrib/hashsum.cc b/apt-pkg/contrib/hashsum.cc
index 0edcbb364..ff3b112bb 100644
--- a/apt-pkg/contrib/hashsum.cc
+++ b/apt-pkg/contrib/hashsum.cc
@@ -14,7 +14,7 @@ bool SummationImplementation::AddFD(int const Fd, unsigned long long Size) {
    while (Size != 0 || ToEOF)
    {
       unsigned long long n = sizeof(Buf);
-      if (!ToEOF) n = min(Size, n);
+      if (!ToEOF) n = std::min(Size, n);
       Res = read(Fd, Buf, n);
       if (Res < 0 || (!ToEOF && Res != (ssize_t) n)) // error, or short read
 	 return false;
diff --git a/apt-pkg/contrib/hashsum_template.h b/apt-pkg/contrib/hashsum_template.h
index 9157754e3..c109a8212 100644
--- a/apt-pkg/contrib/hashsum_template.h
+++ b/apt-pkg/contrib/hashsum_template.h
@@ -15,9 +15,6 @@
 #include <algorithm>
 #include <stdint.h>
 
-using std::string;
-using std::min;
-
 template<int N>
 class HashSumValue
 {
@@ -31,7 +28,7 @@ class HashSumValue
       return memcmp(Sum,rhs.Sum,sizeof(Sum)) == 0;
    }; 
 
-   string Value() const
+   std::string Value() const
    {
       char Conv[16] =
       { '0','1','2','3','4','5','6','7','8','9','a','b',
@@ -48,7 +45,7 @@ class HashSumValue
          Result[I] = Conv[Sum[J] >> 4];
          Result[I + 1] = Conv[Sum[J] & 0xF];
       }
-      return string(Result);
+      return std::string(Result);
    };
    
    inline void Value(unsigned char S[N/8])
@@ -57,12 +54,12 @@ class HashSumValue
          S[I] = Sum[I];
    };
 
-   inline operator string() const 
+   inline operator std::string() const 
    {
       return Value();
    };
 
-   bool Set(string Str) 
+   bool Set(std::string Str) 
    {
       return Hex2Num(Str,Sum,sizeof(Sum));
    };
@@ -73,7 +70,7 @@ class HashSumValue
          Sum[I] = S[I];
    };
 
-   HashSumValue(string Str) 
+   HashSumValue(std::string Str) 
    {
          memset(Sum,0,sizeof(Sum));
          Set(Str);
diff --git a/apt-pkg/contrib/md5.h b/apt-pkg/contrib/md5.h
index 305cdb20d..a207da4e4 100644
--- a/apt-pkg/contrib/md5.h
+++ b/apt-pkg/contrib/md5.h
@@ -29,9 +29,6 @@
 #include <algorithm>
 #include <stdint.h>
 
-using std::string;
-using std::min;
-
 #include "hashsum_template.h"
 
 typedef HashSumValue<128> MD5SumValue;
diff --git a/apt-pkg/contrib/mmap.h b/apt-pkg/contrib/mmap.h
index e0ff8db95..387e9a170 100644
--- a/apt-pkg/contrib/mmap.h
+++ b/apt-pkg/contrib/mmap.h
@@ -29,8 +29,6 @@
 #include <string>
 #include <apt-pkg/fileutl.h>
 
-using std::string;
-
 /* This should be a 32 bit type, larger tyes use too much ram and smaller
    types are too small. Where ever possible 'unsigned long' should be used
    instead of this internal type */
@@ -102,7 +100,7 @@ class DynamicMMap : public MMap
    unsigned long RawAllocate(unsigned long long Size,unsigned long Aln = 0);
    unsigned long Allocate(unsigned long ItemSize);
    unsigned long WriteString(const char *String,unsigned long Len = (unsigned long)-1);
-   inline unsigned long WriteString(const string &S) {return WriteString(S.c_str(),S.length());};
+   inline unsigned long WriteString(const std::string &S) {return WriteString(S.c_str(),S.length());};
    void UsePools(Pool &P,unsigned int Count) {Pools = &P; PoolCount = Count;};
    
    DynamicMMap(FileFd &F,unsigned long Flags,unsigned long const &WorkSpace = 2*1024*1024,
diff --git a/apt-pkg/contrib/netrc.cc b/apt-pkg/contrib/netrc.cc
index b9d0749e2..9aa1376dc 100644
--- a/apt-pkg/contrib/netrc.cc
+++ b/apt-pkg/contrib/netrc.cc
@@ -24,6 +24,7 @@
 
 #include "netrc.h"
 
+using std::string;
 
 /* Get user and password from .netrc when given a machine name */
 
diff --git a/apt-pkg/contrib/netrc.h b/apt-pkg/contrib/netrc.h
index 02a5eb09f..86afa43d1 100644
--- a/apt-pkg/contrib/netrc.h
+++ b/apt-pkg/contrib/netrc.h
@@ -25,5 +25,5 @@
 // If login[0] != 0, search for password within machine and login.
 int parsenetrc (char *host, char *login, char *password, char *filename);
 
-void maybe_add_auth (URI &Uri, string NetRCFile);
+void maybe_add_auth (URI &Uri, std::string NetRCFile);
 #endif
diff --git a/apt-pkg/contrib/progress.h b/apt-pkg/contrib/progress.h
index 5344323f6..7635719bc 100644
--- a/apt-pkg/contrib/progress.h
+++ b/apt-pkg/contrib/progress.h
@@ -25,8 +25,6 @@
 #include <string>
 #include <sys/time.h>
 
-using std::string;
-
 class Configuration;
 class OpProgress
 {
@@ -38,13 +36,13 @@ class OpProgress
    
    // Change reduction code
    struct timeval LastTime;
-   string LastOp;
-   string LastSubOp;
+   std::string LastOp;
+   std::string LastSubOp;
    
    protected:
    
-   string Op;
-   string SubOp;
+   std::string Op;
+   std::string SubOp;
    float Percent;
    
    bool MajorChange;
@@ -55,9 +53,9 @@ class OpProgress
    public:
    
    void Progress(unsigned long long Current);
-   void SubProgress(unsigned long long SubTotal, const string &Op = "", float const Percent = -1);
+   void SubProgress(unsigned long long SubTotal, const std::string &Op = "", float const Percent = -1);
    void OverallProgress(unsigned long long Current,unsigned long long Total,
-			unsigned long long Size,const string &Op);
+			unsigned long long Size,const std::string &Op);
    virtual void Done() {};
    
    OpProgress();
@@ -67,8 +65,8 @@ class OpProgress
 class OpTextProgress : public OpProgress
 {
    protected:
-   
-   string OldOp;
+
+   std::string OldOp;
    bool NoUpdate;
    bool NoDisplay;
    unsigned long LastLen;
diff --git a/apt-pkg/contrib/sha1.h b/apt-pkg/contrib/sha1.h
index 916faec1b..b4b139a22 100644
--- a/apt-pkg/contrib/sha1.h
+++ b/apt-pkg/contrib/sha1.h
@@ -18,9 +18,6 @@
 #include <cstring>
 #include <algorithm>
 
-using std::string;
-using std::min;
-
 #include "hashsum_template.h"
 
 typedef  HashSumValue<160> SHA1SumValue;
diff --git a/apt-pkg/contrib/strutl.h b/apt-pkg/contrib/strutl.h
index ab4b54722..93f4bef4f 100644
--- a/apt-pkg/contrib/strutl.h
+++ b/apt-pkg/contrib/strutl.h
@@ -27,60 +27,56 @@
 
 #include "macros.h"
 
-using std::string;
-using std::vector;
-using std::ostream;
-
-bool UTF8ToCodeset(const char *codeset, const string &orig, string *dest);
+bool UTF8ToCodeset(const char *codeset, const std::string &orig, std::string *dest);
 char *_strstrip(char *String);
 char *_strtabexpand(char *String,size_t Len);
-bool ParseQuoteWord(const char *&String,string &Res);
-bool ParseCWord(const char *&String,string &Res);
-string QuoteString(const string &Str,const char *Bad);
-string DeQuoteString(const string &Str);
-string DeQuoteString(string::const_iterator const &begin, string::const_iterator const &end);
+bool ParseQuoteWord(const char *&String,std::string &Res);
+bool ParseCWord(const char *&String,std::string &Res);
+std::string QuoteString(const std::string &Str,const char *Bad);
+std::string DeQuoteString(const std::string &Str);
+std::string DeQuoteString(std::string::const_iterator const &begin, std::string::const_iterator const &end);
 
 // unescape (\0XX and \xXX) from a string
-string DeEscapeString(const string &input);
-
-string SizeToStr(double Bytes);
-string TimeToStr(unsigned long Sec);
-string Base64Encode(const string &Str);
-string OutputInDepth(const unsigned long Depth, const char* Separator="  ");
-string URItoFileName(const string &URI);
-string TimeRFC1123(time_t Date);
+std::string DeEscapeString(const std::string &input);
+
+std::string SizeToStr(double Bytes);
+std::string TimeToStr(unsigned long Sec);
+std::string Base64Encode(const std::string &Str);
+std::string OutputInDepth(const unsigned long Depth, const char* Separator="  ");
+std::string URItoFileName(const std::string &URI);
+std::string TimeRFC1123(time_t Date);
 bool RFC1123StrToTime(const char* const str,time_t &time) __must_check;
 bool FTPMDTMStrToTime(const char* const str,time_t &time) __must_check;
-__deprecated bool StrToTime(const string &Val,time_t &Result);
-string LookupTag(const string &Message,const char *Tag,const char *Default = 0);
-int StringToBool(const string &Text,int Default = -1);
-bool ReadMessages(int Fd, vector<string> &List);
+__deprecated bool StrToTime(const std::string &Val,time_t &Result);
+std::string LookupTag(const std::string &Message,const char *Tag,const char *Default = 0);
+int StringToBool(const std::string &Text,int Default = -1);
+bool ReadMessages(int Fd, std::vector<std::string> &List);
 bool StrToNum(const char *Str,unsigned long &Res,unsigned Len,unsigned Base = 0);
 bool StrToNum(const char *Str,unsigned long long &Res,unsigned Len,unsigned Base = 0);
 bool Base256ToNum(const char *Str,unsigned long &Res,unsigned int Len);
-bool Hex2Num(const string &Str,unsigned char *Num,unsigned int Length);
+bool Hex2Num(const std::string &Str,unsigned char *Num,unsigned int Length);
 bool TokSplitString(char Tok,char *Input,char **List,
 		    unsigned long ListMax);
-vector<string> VectorizeString(string const &haystack, char const &split) __attrib_const;
-void ioprintf(ostream &out,const char *format,...) __like_printf(2);
-void strprintf(string &out,const char *format,...) __like_printf(2);
+std::vector<std::string> VectorizeString(std::string const &haystack, char const &split) __attrib_const;
+void ioprintf(std::ostream &out,const char *format,...) __like_printf(2);
+void strprintf(std::string &out,const char *format,...) __like_printf(2);
 char *safe_snprintf(char *Buffer,char *End,const char *Format,...) __like_printf(3);
-bool CheckDomainList(const string &Host, const string &List);
+bool CheckDomainList(const std::string &Host, const std::string &List);
 int tolower_ascii(int const c) __attrib_const __hot;
-string StripEpoch(const string &VerStr);
+std::string StripEpoch(const std::string &VerStr);
 
 #define APT_MKSTRCMP(name,func) \
 inline int name(const char *A,const char *B) {return func(A,A+strlen(A),B,B+strlen(B));}; \
 inline int name(const char *A,const char *AEnd,const char *B) {return func(A,AEnd,B,B+strlen(B));}; \
-inline int name(const string& A,const char *B) {return func(A.c_str(),A.c_str()+A.length(),B,B+strlen(B));}; \
-inline int name(const string& A,const string& B) {return func(A.c_str(),A.c_str()+A.length(),B.c_str(),B.c_str()+B.length());}; \
-inline int name(const string& A,const char *B,const char *BEnd) {return func(A.c_str(),A.c_str()+A.length(),B,BEnd);};
+inline int name(const std::string& A,const char *B) {return func(A.c_str(),A.c_str()+A.length(),B,B+strlen(B));}; \
+inline int name(const std::string& A,const std::string& B) {return func(A.c_str(),A.c_str()+A.length(),B.c_str(),B.c_str()+B.length());}; \
+inline int name(const std::string& A,const char *B,const char *BEnd) {return func(A.c_str(),A.c_str()+A.length(),B,BEnd);};
 
 #define APT_MKSTRCMP2(name,func) \
 inline int name(const char *A,const char *AEnd,const char *B) {return func(A,AEnd,B,B+strlen(B));}; \
-inline int name(const string& A,const char *B) {return func(A.begin(),A.end(),B,B+strlen(B));}; \
-inline int name(const string& A,const string& B) {return func(A.begin(),A.end(),B.begin(),B.end());}; \
-inline int name(const string& A,const char *B,const char *BEnd) {return func(A.begin(),A.end(),B,BEnd);};
+inline int name(const std::string& A,const char *B) {return func(A.begin(),A.end(),B,B+strlen(B));}; \
+inline int name(const std::string& A,const std::string& B) {return func(A.begin(),A.end(),B.begin(),B.end());}; \
+inline int name(const std::string& A,const char *B,const char *BEnd) {return func(A.begin(),A.end(),B,BEnd);};
 
 int stringcmp(const char *A,const char *AEnd,const char *B,const char *BEnd);
 int stringcasecmp(const char *A,const char *AEnd,const char *B,const char *BEnd);
@@ -89,17 +85,17 @@ int stringcasecmp(const char *A,const char *AEnd,const char *B,const char *BEnd)
    case the definition of string::const_iterator is not the same as
    const char * and we need these extra functions */
 #if __GNUC__ >= 3
-int stringcmp(string::const_iterator A,string::const_iterator AEnd,
+int stringcmp(std::string::const_iterator A,std::string::const_iterator AEnd,
 	      const char *B,const char *BEnd);
-int stringcmp(string::const_iterator A,string::const_iterator AEnd,
-	      string::const_iterator B,string::const_iterator BEnd);
-int stringcasecmp(string::const_iterator A,string::const_iterator AEnd,
+int stringcmp(std::string::const_iterator A,std::string::const_iterator AEnd,
+	      std::string::const_iterator B,std::string::const_iterator BEnd);
+int stringcasecmp(std::string::const_iterator A,std::string::const_iterator AEnd,
 		  const char *B,const char *BEnd);
-int stringcasecmp(string::const_iterator A,string::const_iterator AEnd,
-                  string::const_iterator B,string::const_iterator BEnd);
+int stringcasecmp(std::string::const_iterator A,std::string::const_iterator AEnd,
+                  std::string::const_iterator B,std::string::const_iterator BEnd);
 
-inline int stringcmp(string::const_iterator A,string::const_iterator Aend,const char *B) {return stringcmp(A,Aend,B,B+strlen(B));};
-inline int stringcasecmp(string::const_iterator A,string::const_iterator Aend,const char *B) {return stringcasecmp(A,Aend,B,B+strlen(B));};
+inline int stringcmp(std::string::const_iterator A,std::string::const_iterator Aend,const char *B) {return stringcmp(A,Aend,B,B+strlen(B));};
+inline int stringcasecmp(std::string::const_iterator A,std::string::const_iterator Aend,const char *B) {return stringcasecmp(A,Aend,B,B+strlen(B));};
 #endif
 
 APT_MKSTRCMP2(stringcmp,stringcmp);
@@ -109,34 +105,34 @@ inline const char *DeNull(const char *s) {return (s == 0?"(null)":s);};
 
 class URI
 {
-   void CopyFrom(const string &From);
+   void CopyFrom(const std::string &From);
 		 
    public:
    
-   string Access;
-   string User;
-   string Password;
-   string Host;
-   string Path;
+   std::string Access;
+   std::string User;
+   std::string Password;
+   std::string Host;
+   std::string Path;
    unsigned int Port;
    
-   operator string();
-   inline void operator =(const string &From) {CopyFrom(From);};
+   operator std::string();
+   inline void operator =(const std::string &From) {CopyFrom(From);};
    inline bool empty() {return Access.empty();};
-   static string SiteOnly(const string &URI);
-   static string NoUserPassword(const string &URI);
+   static std::string SiteOnly(const std::string &URI);
+   static std::string NoUserPassword(const std::string &URI);
    
-   URI(string Path) {CopyFrom(Path);};
+   URI(std::string Path) {CopyFrom(Path);};
    URI() : Port(0) {};
 };
 
 struct SubstVar
 {
    const char *Subst;
-   const string *Contents;
+   const std::string *Contents;
 };
-string SubstVar(string Str,const struct SubstVar *Vars);
-string SubstVar(const string &Str,const string &Subst,const string &Contents);
+std::string SubstVar(std::string Str,const struct SubstVar *Vars);
+std::string SubstVar(const std::string &Str,const std::string &Subst,const std::string &Contents);
 
 struct RxChoiceList
 {
diff --git a/apt-pkg/deb/debindexfile.h b/apt-pkg/deb/debindexfile.h
index 678c22473..9e64d4476 100644
--- a/apt-pkg/deb/debindexfile.h
+++ b/apt-pkg/deb/debindexfile.h
@@ -26,14 +26,14 @@ class debStatusIndex : public pkgIndexFile
    void *d;
 
    protected:
-   string File;
+   std::string File;
 
    public:
 
    virtual const Type *GetType() const;
    
    // Interface for acquire
-   virtual string Describe(bool Short) const {return File;};
+   virtual std::string Describe(bool Short) const {return File;};
    
    // Interface for the Cache Generator
    virtual bool Exists() const;
@@ -43,7 +43,7 @@ class debStatusIndex : public pkgIndexFile
    bool Merge(pkgCacheGenerator &Gen,OpProgress *Prog, unsigned long const Flag) const;
    virtual pkgCache::PkgFileIterator FindInCache(pkgCache &Cache) const;
 
-   debStatusIndex(string File);
+   debStatusIndex(std::string File);
    virtual ~debStatusIndex() {};
 };
     
@@ -52,25 +52,25 @@ class debPackagesIndex : public pkgIndexFile
    /** \brief dpointer placeholder (for later in case we need it) */
    void *d;
 
-   string URI;
-   string Dist;
-   string Section;
-   string Architecture;
+   std::string URI;
+   std::string Dist;
+   std::string Section;
+   std::string Architecture;
 
-   string Info(const char *Type) const;
-   string IndexFile(const char *Type) const;
-   string IndexURI(const char *Type) const;
+   std::string Info(const char *Type) const;
+   std::string IndexFile(const char *Type) const;
+   std::string IndexURI(const char *Type) const;
    
    public:
    
    virtual const Type *GetType() const;
 
    // Stuff for accessing files on remote items
-   virtual string ArchiveInfo(pkgCache::VerIterator Ver) const;
-   virtual string ArchiveURI(string File) const {return URI + File;};
+   virtual std::string ArchiveInfo(pkgCache::VerIterator Ver) const;
+   virtual std::string ArchiveURI(std::string File) const {return URI + File;};
    
    // Interface for acquire
-   virtual string Describe(bool Short) const;   
+   virtual std::string Describe(bool Short) const;   
    
    // Interface for the Cache Generator
    virtual bool Exists() const;
@@ -79,8 +79,8 @@ class debPackagesIndex : public pkgIndexFile
    virtual bool Merge(pkgCacheGenerator &Gen,OpProgress *Prog) const;
    virtual pkgCache::PkgFileIterator FindInCache(pkgCache &Cache) const;
 
-   debPackagesIndex(string const &URI, string const &Dist, string const &Section,
-			bool const &Trusted, string const &Arch = "native");
+   debPackagesIndex(std::string const &URI, std::string const &Dist, std::string const &Section,
+			bool const &Trusted, std::string const &Arch = "native");
    virtual ~debPackagesIndex() {};
 };
 
@@ -89,23 +89,23 @@ class debTranslationsIndex : public pkgIndexFile
    /** \brief dpointer placeholder (for later in case we need it) */
    void *d;
 
-   string URI;
-   string Dist;
-   string Section;
+   std::string URI;
+   std::string Dist;
+   std::string Section;
    const char * const Language;
    
-   string Info(const char *Type) const;
-   string IndexFile(const char *Type) const;
-   string IndexURI(const char *Type) const;
+   std::string Info(const char *Type) const;
+   std::string IndexFile(const char *Type) const;
+   std::string IndexURI(const char *Type) const;
 
-   inline string TranslationFile() const {return string("Translation-").append(Language);};
+   inline std::string TranslationFile() const {return std::string("Translation-").append(Language);};
 
    public:
    
    virtual const Type *GetType() const;
 
    // Interface for acquire
-   virtual string Describe(bool Short) const;   
+   virtual std::string Describe(bool Short) const;   
    virtual bool GetIndexes(pkgAcquire *Owner) const;
    
    // Interface for the Cache Generator
@@ -115,7 +115,7 @@ class debTranslationsIndex : public pkgIndexFile
    virtual bool Merge(pkgCacheGenerator &Gen,OpProgress *Prog) const;
    virtual pkgCache::PkgFileIterator FindInCache(pkgCache &Cache) const;
 
-   debTranslationsIndex(string URI,string Dist,string Section, char const * const Language);
+   debTranslationsIndex(std::string URI,std::string Dist,std::string Section, char const * const Language);
    virtual ~debTranslationsIndex() {};
 };
 
@@ -124,25 +124,25 @@ class debSourcesIndex : public pkgIndexFile
    /** \brief dpointer placeholder (for later in case we need it) */
    void *d;
 
-   string URI;
-   string Dist;
-   string Section;
+   std::string URI;
+   std::string Dist;
+   std::string Section;
 
-   string Info(const char *Type) const;
-   string IndexFile(const char *Type) const;
-   string IndexURI(const char *Type) const;
+   std::string Info(const char *Type) const;
+   std::string IndexFile(const char *Type) const;
+   std::string IndexURI(const char *Type) const;
    
    public:
 
    virtual const Type *GetType() const;
 
    // Stuff for accessing files on remote items
-   virtual string SourceInfo(pkgSrcRecords::Parser const &Record,
+   virtual std::string SourceInfo(pkgSrcRecords::Parser const &Record,
 			     pkgSrcRecords::File const &File) const;
-   virtual string ArchiveURI(string File) const {return URI + File;};
+   virtual std::string ArchiveURI(std::string File) const {return URI + File;};
    
    // Interface for acquire
-   virtual string Describe(bool Short) const;   
+   virtual std::string Describe(bool Short) const;   
 
    // Interface for the record parsers
    virtual pkgSrcRecords::Parser *CreateSrcParser() const;
@@ -152,7 +152,7 @@ class debSourcesIndex : public pkgIndexFile
    virtual bool HasPackages() const {return false;};
    virtual unsigned long Size() const;
    
-   debSourcesIndex(string URI,string Dist,string Section,bool Trusted);
+   debSourcesIndex(std::string URI,std::string Dist,std::string Section,bool Trusted);
    virtual ~debSourcesIndex() {};
 };
 
diff --git a/apt-pkg/deb/deblistparser.cc b/apt-pkg/deb/deblistparser.cc
index a4a974897..95a2e6d47 100644
--- a/apt-pkg/deb/deblistparser.cc
+++ b/apt-pkg/deb/deblistparser.cc
@@ -25,6 +25,8 @@
 #include <ctype.h>
 									/*}}}*/
 
+using std::string;
+
 static debListParser::WordList PrioList[] = {{"important",pkgCache::State::Important},
                        {"required",pkgCache::State::Required},
                        {"standard",pkgCache::State::Standard},
diff --git a/apt-pkg/deb/deblistparser.h b/apt-pkg/deb/deblistparser.h
index 41d712fbf..09858d991 100644
--- a/apt-pkg/deb/deblistparser.h
+++ b/apt-pkg/deb/deblistparser.h
@@ -34,7 +34,7 @@ class debListParser : public pkgCacheGenerator::ListParser
    pkgTagFile Tags;
    pkgTagSection Section;
    unsigned long iOffset;
-   string Arch;
+   std::string Arch;
    std::vector<std::string> Architectures;
    bool MultiArchEnabled;
 
@@ -43,21 +43,21 @@ class debListParser : public pkgCacheGenerator::ListParser
    bool ParseDepends(pkgCache::VerIterator &Ver,const char *Tag,
 		     unsigned int Type);
    bool ParseProvides(pkgCache::VerIterator &Ver);
-   bool NewProvidesAllArch(pkgCache::VerIterator &Ver, string const &Package, string const &Version);
-   static bool GrabWord(string Word,WordList *List,unsigned char &Out);
+   bool NewProvidesAllArch(pkgCache::VerIterator &Ver, std::string const &Package, std::string const &Version);
+   static bool GrabWord(std::string Word,WordList *List,unsigned char &Out);
    
    public:
 
-   static unsigned char GetPrio(string Str);
+   static unsigned char GetPrio(std::string Str);
       
    // These all operate against the current section
-   virtual string Package();
-   virtual string Architecture();
+   virtual std::string Package();
+   virtual std::string Architecture();
    virtual bool ArchitectureAll();
-   virtual string Version();
+   virtual std::string Version();
    virtual bool NewVersion(pkgCache::VerIterator &Ver);
-   virtual string Description();
-   virtual string DescriptionLanguage();
+   virtual std::string Description();
+   virtual std::string DescriptionLanguage();
    virtual MD5SumValue Description_md5();
    virtual unsigned short VersionHash();
    virtual bool UsePackage(pkgCache::PkgIterator &Pkg,
@@ -68,15 +68,15 @@ class debListParser : public pkgCacheGenerator::ListParser
    virtual bool Step();
    
    bool LoadReleaseInfo(pkgCache::PkgFileIterator &FileI,FileFd &File,
-			string section);
+			std::string section);
    
    static const char *ParseDepends(const char *Start,const char *Stop,
-			    string &Package,string &Ver,unsigned int &Op,
+			    std::string &Package,std::string &Ver,unsigned int &Op,
 			    bool const &ParseArchFlags = false,
 			    bool const &StripMultiArch = true);
    static const char *ConvertRelation(const char *I,unsigned int &Op);
 
-   debListParser(FileFd *File, string const &Arch = "");
+   debListParser(FileFd *File, std::string const &Arch = "");
    virtual ~debListParser() {};
 };
 
diff --git a/apt-pkg/deb/debrecords.cc b/apt-pkg/deb/debrecords.cc
index 4dfc8b56a..ef6a7ca9d 100644
--- a/apt-pkg/deb/debrecords.cc
+++ b/apt-pkg/deb/debrecords.cc
@@ -17,6 +17,8 @@
 #include <langinfo.h>
 									/*}}}*/
 
+using std::string;
+
 // RecordParser::debRecordParser - Constructor				/*{{{*/
 // ---------------------------------------------------------------------
 /* */
@@ -135,8 +137,8 @@ string debRecordParser::LongDesc()
      orig = Section.FindS("Description").c_str();
   else
   {
-     vector<string> const lang = APT::Configuration::getLanguages();
-     for (vector<string>::const_iterator l = lang.begin();
+     std::vector<string> const lang = APT::Configuration::getLanguages();
+     for (std::vector<string>::const_iterator l = lang.begin();
 	  orig.empty() && l != lang.end(); ++l)
 	orig = Section.FindS(string("Description-").append(*l).c_str());
   }
diff --git a/apt-pkg/deb/debrecords.h b/apt-pkg/deb/debrecords.h
index 7868bfa3d..b75726859 100644
--- a/apt-pkg/deb/debrecords.h
+++ b/apt-pkg/deb/debrecords.h
@@ -35,27 +35,27 @@ class debRecordParser : public pkgRecords::Parser
    public:
 
    // These refer to the archive file for the Version
-   virtual string FileName();
-   virtual string MD5Hash();
-   virtual string SHA1Hash();
-   virtual string SHA256Hash();
-   virtual string SHA512Hash();
-   virtual string SourcePkg();
-   virtual string SourceVer();
+   virtual std::string FileName();
+   virtual std::string MD5Hash();
+   virtual std::string SHA1Hash();
+   virtual std::string SHA256Hash();
+   virtual std::string SHA512Hash();
+   virtual std::string SourcePkg();
+   virtual std::string SourceVer();
    
    // These are some general stats about the package
-   virtual string Maintainer();
-   virtual string ShortDesc();
-   virtual string LongDesc();
-   virtual string Name();
-   virtual string Homepage();
+   virtual std::string Maintainer();
+   virtual std::string ShortDesc();
+   virtual std::string LongDesc();
+   virtual std::string Name();
+   virtual std::string Homepage();
 
    // An arbitrary custom field
-   virtual string RecordField(const char *fieldName);
+   virtual std::string RecordField(const char *fieldName);
 
    virtual void GetRec(const char *&Start,const char *&Stop);
    
-   debRecordParser(string FileName,pkgCache &Cache);
+   debRecordParser(std::string FileName,pkgCache &Cache);
    virtual ~debRecordParser() {};
 };
 
diff --git a/apt-pkg/deb/debsrcrecords.cc b/apt-pkg/deb/debsrcrecords.cc
index c9c20267b..38389e624 100644
--- a/apt-pkg/deb/debsrcrecords.cc
+++ b/apt-pkg/deb/debsrcrecords.cc
@@ -21,6 +21,8 @@
 using std::max;
 									/*}}}*/
 
+using std::string;
+
 // SrcRecordParser::Binaries - Return the binaries field		/*{{{*/
 // ---------------------------------------------------------------------
 /* This member parses the binaries field into a pair of class arrays and
@@ -57,7 +59,7 @@ const char **debSrcRecordParser::Binaries()
    package/version records representing the build dependency. The returned 
    array need not be freed and will be reused by the next call to this 
    function */
-bool debSrcRecordParser::BuildDepends(vector<pkgSrcRecords::Parser::BuildDepRec> &BuildDeps,
+bool debSrcRecordParser::BuildDepends(std::vector<pkgSrcRecords::Parser::BuildDepRec> &BuildDeps,
 					bool const &ArchOnly, bool const &StripMultiArch)
 {
    unsigned int I;
@@ -102,7 +104,7 @@ bool debSrcRecordParser::BuildDepends(vector<pkgSrcRecords::Parser::BuildDepRec>
 // ---------------------------------------------------------------------
 /* This parses the list of files and returns it, each file is required to have
    a complete source package */
-bool debSrcRecordParser::Files(vector<pkgSrcRecords::File> &List)
+bool debSrcRecordParser::Files(std::vector<pkgSrcRecords::File> &List)
 {
    List.erase(List.begin(),List.end());
    
diff --git a/apt-pkg/deb/debsrcrecords.h b/apt-pkg/deb/debsrcrecords.h
index aa859b0e6..bb588e3d9 100644
--- a/apt-pkg/deb/debsrcrecords.h
+++ b/apt-pkg/deb/debsrcrecords.h
@@ -35,22 +35,22 @@ class debSrcRecordParser : public pkgSrcRecords::Parser
    virtual bool Step() {iOffset = Tags.Offset(); return Tags.Step(Sect);};
    virtual bool Jump(unsigned long const &Off) {iOffset = Off; return Tags.Jump(Sect,Off);};
 
-   virtual string Package() const {return Sect.FindS("Package");};
-   virtual string Version() const {return Sect.FindS("Version");};
-   virtual string Maintainer() const {return Sect.FindS("Maintainer");};
-   virtual string Section() const {return Sect.FindS("Section");};
+   virtual std::string Package() const {return Sect.FindS("Package");};
+   virtual std::string Version() const {return Sect.FindS("Version");};
+   virtual std::string Maintainer() const {return Sect.FindS("Maintainer");};
+   virtual std::string Section() const {return Sect.FindS("Section");};
    virtual const char **Binaries();
-   virtual bool BuildDepends(vector<BuildDepRec> &BuildDeps, bool const &ArchOnly, bool const &StripMultiArch = true);
+   virtual bool BuildDepends(std::vector<BuildDepRec> &BuildDeps, bool const &ArchOnly, bool const &StripMultiArch = true);
    virtual unsigned long Offset() {return iOffset;};
-   virtual string AsStr() 
+   virtual std::string AsStr() 
    {
       const char *Start=0,*Stop=0;
       Sect.GetSection(Start,Stop);
-      return string(Start,Stop);
+      return std::string(Start,Stop);
    };
-   virtual bool Files(vector<pkgSrcRecords::File> &F);
+   virtual bool Files(std::vector<pkgSrcRecords::File> &F);
 
-   debSrcRecordParser(string const &File,pkgIndexFile const *Index) 
+   debSrcRecordParser(std::string const &File,pkgIndexFile const *Index) 
       : Parser(Index), Fd(File,FileFd::ReadOnlyGzip), Tags(&Fd,102400), 
         Buffer(0), BufSize(0) {}
    virtual ~debSrcRecordParser();
diff --git a/apt-pkg/deb/debsystem.cc b/apt-pkg/deb/debsystem.cc
index 080af5659..7ed6936c3 100644
--- a/apt-pkg/deb/debsystem.cc
+++ b/apt-pkg/deb/debsystem.cc
@@ -27,6 +27,8 @@
 #include <apti18n.h>
 									/*}}}*/
 
+using std::string;
+
 debSystem debSys;
 
 class debSystemPrivate {
@@ -219,7 +221,7 @@ signed debSystem::Score(Configuration const &Cnf)
 // System::AddStatusFiles - Register the status files			/*{{{*/
 // ---------------------------------------------------------------------
 /* */
-bool debSystem::AddStatusFiles(vector<pkgIndexFile *> &List)
+bool debSystem::AddStatusFiles(std::vector<pkgIndexFile *> &List)
 {
    if (d->StatusFile == 0)
       d->StatusFile = new debStatusIndex(_config->FindFile("Dir::State::status"));
diff --git a/apt-pkg/deb/debversion.cc b/apt-pkg/deb/debversion.cc
index ba32b2dd4..859ff6b6d 100644
--- a/apt-pkg/deb/debversion.cc
+++ b/apt-pkg/deb/debversion.cc
@@ -263,7 +263,7 @@ bool debVersioningSystem::CheckDep(const char *PkgVer,
 // debVS::UpstreamVersion - Return the upstream version string		/*{{{*/
 // ---------------------------------------------------------------------
 /* This strips all the debian specific information from the version number */
-string debVersioningSystem::UpstreamVersion(const char *Ver)
+std::string debVersioningSystem::UpstreamVersion(const char *Ver)
 {
    // Strip off the bit before the first colon
    const char *I = Ver;
@@ -278,6 +278,6 @@ string debVersioningSystem::UpstreamVersion(const char *Ver)
       if (*I == '-')
 	 Last = I - Ver;
    
-   return string(Ver,Last);
+   return std::string(Ver,Last);
 }
 									/*}}}*/
diff --git a/apt-pkg/deb/debversion.h b/apt-pkg/deb/debversion.h
index 56fb67887..24ad73149 100644
--- a/apt-pkg/deb/debversion.h
+++ b/apt-pkg/deb/debversion.h
@@ -32,7 +32,7 @@ class debVersioningSystem : public pkgVersioningSystem
    {
       return DoCmpVersion(A,Aend,B,Bend);
    }   
-   virtual string UpstreamVersion(const char *A);
+   virtual std::string UpstreamVersion(const char *A);
 
    debVersioningSystem();
 };
@@ -53,7 +53,7 @@ inline int pkgVersionCompare(const char *A, const char *AEnd,
 {
    return debVS.DoCmpVersion(A,AEnd,B,BEnd);
 }
-inline int pkgVersionCompare(string A,string B)
+inline int pkgVersionCompare(std::string A,std::string B)
 {
    return debVS.CmpVersion(A,B);
 }
@@ -61,7 +61,7 @@ inline bool pkgCheckDep(const char *DepVer,const char *PkgVer,int Op)
 {
    return debVS.CheckDep(PkgVer,Op,DepVer);
 }
-inline string pkgBaseVersion(const char *Ver)
+inline std::string pkgBaseVersion(const char *Ver)
 {
    return debVS.UpstreamVersion(Ver);
 }
diff --git a/apt-pkg/deb/dpkgpm.h b/apt-pkg/deb/dpkgpm.h
index 3f95c51dc..6b62360b7 100644
--- a/apt-pkg/deb/dpkgpm.h
+++ b/apt-pkg/deb/dpkgpm.h
@@ -15,9 +15,6 @@
 #include <map>
 #include <stdio.h>
 
-using std::vector;
-using std::map;
-
 class pkgDPkgPMPrivate;
 
 class pkgDPkgPM : public pkgPackageManager
@@ -38,7 +35,7 @@ class pkgDPkgPM : public pkgPackageManager
       needs to declare a Replaces on the disappeared package.
       \param pkgname Name of the package that disappeared
    */
-   void handleDisappearAction(string const &pkgname);
+   void handleDisappearAction(std::string const &pkgname);
 
    protected:
    int pkgFailures;
@@ -53,11 +50,11 @@ class pkgDPkgPM : public pkgPackageManager
    // the dpkg states that the pkg will run through, the string is 
    // the package, the vector contains the dpkg states that the package
    // will go through
-   map<string,vector<struct DpkgState> > PackageOps;
+   std::map<std::string,std::vector<struct DpkgState> > PackageOps;
    // the dpkg states that are already done; the string is the package
    // the int is the state that is already done (e.g. a package that is
    // going to be install is already in state "half-installed")
-   map<string,unsigned int> PackageOpsDone;
+   std::map<std::string,unsigned int> PackageOpsDone;
 
    // progress reporting
    unsigned int PackagesDone;
@@ -66,19 +63,19 @@ class pkgDPkgPM : public pkgPackageManager
    struct Item
    {
       enum Ops {Install, Configure, Remove, Purge, ConfigurePending, TriggersPending} Op;
-      string File;
+      std::string File;
       PkgIterator Pkg;
-      Item(Ops Op,PkgIterator Pkg,string File = "") : Op(Op),
+      Item(Ops Op,PkgIterator Pkg,std::string File = "") : Op(Op),
             File(File), Pkg(Pkg) {};
       Item() {};
       
    };
-   vector<Item> List;
+   std::vector<Item> List;
 
    // Helpers
    bool RunScriptsWithPkgs(const char *Cnf);
    bool SendV2Pkgs(FILE *F);
-   void WriteHistoryTag(string const &tag, string value);
+   void WriteHistoryTag(std::string const &tag, std::string value);
 
    // apport integration
    void WriteApportReport(const char *pkgpath, const char *errormsg);
@@ -94,7 +91,7 @@ class pkgDPkgPM : public pkgPackageManager
    void ProcessDpkgStatusLine(int OutStatusFd, char *line);
 
    // The Actuall installation implementation
-   virtual bool Install(PkgIterator Pkg,string File);
+   virtual bool Install(PkgIterator Pkg,std::string File);
    virtual bool Configure(PkgIterator Pkg);
    virtual bool Remove(PkgIterator Pkg,bool Purge = false);
    virtual bool Go(int StatusFd=-1);
diff --git a/apt-pkg/depcache.cc b/apt-pkg/depcache.cc
index f816630ae..529085b4a 100644
--- a/apt-pkg/depcache.cc
+++ b/apt-pkg/depcache.cc
@@ -32,6 +32,9 @@
 
 #include <apti18n.h>
 									/*}}}*/
+
+using std::string;
+
 // helper for Install-Recommends-Sections and Never-MarkAuto-Sections	/*{{{*/
 static bool 
 ConfigValueInSubTree(const char* SubTree, const char *needle)
diff --git a/apt-pkg/depcache.h b/apt-pkg/depcache.h
index 66cb7dbab..5798f0362 100644
--- a/apt-pkg/depcache.h
+++ b/apt-pkg/depcache.h
@@ -338,9 +338,9 @@ class pkgDepCache : protected pkgCache::Namespace
    inline Header &Head() {return *Cache->HeaderP;};
    inline GrpIterator GrpBegin() {return Cache->GrpBegin();};
    inline PkgIterator PkgBegin() {return Cache->PkgBegin();};
-   inline GrpIterator FindGrp(string const &Name) {return Cache->FindGrp(Name);};
-   inline PkgIterator FindPkg(string const &Name) {return Cache->FindPkg(Name);};
-   inline PkgIterator FindPkg(string const &Name, string const &Arch) {return Cache->FindPkg(Name, Arch);};
+   inline GrpIterator FindGrp(std::string const &Name) {return Cache->FindGrp(Name);};
+   inline PkgIterator FindPkg(std::string const &Name) {return Cache->FindPkg(Name);};
+   inline PkgIterator FindPkg(std::string const &Name, std::string const &Arch) {return Cache->FindPkg(Name, Arch);};
 
    inline pkgCache &GetCache() {return *Cache;};
    inline pkgVersioningSystem &VS() {return *Cache->VS;};
diff --git a/apt-pkg/edsp/edspindexfile.h b/apt-pkg/edsp/edspindexfile.h
index 0053388eb..58a7f62a9 100644
--- a/apt-pkg/edsp/edspindexfile.h
+++ b/apt-pkg/edsp/edspindexfile.h
@@ -22,7 +22,7 @@ class edspIndex : public debStatusIndex
 
    virtual bool Merge(pkgCacheGenerator &Gen,OpProgress *Prog) const;
 
-   edspIndex(string File);
+   edspIndex(std::string File);
 };
 
 #endif
diff --git a/apt-pkg/edsp/edsplistparser.cc b/apt-pkg/edsp/edsplistparser.cc
index e00abdbcc..bcfdb1017 100644
--- a/apt-pkg/edsp/edsplistparser.cc
+++ b/apt-pkg/edsp/edsplistparser.cc
@@ -20,7 +20,7 @@
 									/*}}}*/
 
 // ListParser::edspListParser - Constructor				/*{{{*/
-edspListParser::edspListParser(FileFd *File, string const &Arch) : debListParser(File, Arch)
+edspListParser::edspListParser(FileFd *File, std::string const &Arch) : debListParser(File, Arch)
 {}
 									/*}}}*/
 // ListParser::NewVersion - Fill in the version structure		/*{{{*/
@@ -33,11 +33,11 @@ bool edspListParser::NewVersion(pkgCache::VerIterator &Ver)
 // ListParser::Description - Return the description string		/*{{{*/
 // ---------------------------------------------------------------------
 /* Sorry, no description for the resolvers… */
-string edspListParser::Description()
+std::string edspListParser::Description()
 {
    return "";
 }
-string edspListParser::DescriptionLanguage()
+std::string edspListParser::DescriptionLanguage()
 {
    return "";
 }
@@ -85,7 +85,7 @@ bool edspListParser::ParseStatus(pkgCache::PkgIterator &Pkg,
 									/*}}}*/
 // ListParser::LoadReleaseInfo - Load the release information		/*{{{*/
 bool edspListParser::LoadReleaseInfo(pkgCache::PkgFileIterator &FileI,
-				    FileFd &File, string component)
+				    FileFd &File, std::string component)
 {
    return true;
 }
diff --git a/apt-pkg/edsp/edsplistparser.h b/apt-pkg/edsp/edsplistparser.h
index ec9f09905..3e196cb9a 100644
--- a/apt-pkg/edsp/edsplistparser.h
+++ b/apt-pkg/edsp/edsplistparser.h
@@ -20,15 +20,15 @@ class edspListParser : public debListParser
 {
    public:
    virtual bool NewVersion(pkgCache::VerIterator &Ver);
-   virtual string Description();
-   virtual string DescriptionLanguage();
+   virtual std::string Description();
+   virtual std::string DescriptionLanguage();
    virtual MD5SumValue Description_md5();
    virtual unsigned short VersionHash();
 
    bool LoadReleaseInfo(pkgCache::PkgFileIterator &FileI,FileFd &File,
-			string section);
+			std::string section);
 
-   edspListParser(FileFd *File, string const &Arch = "");
+   edspListParser(FileFd *File, std::string const &Arch = "");
 
    protected:
    virtual bool ParseStatus(pkgCache::PkgIterator &Pkg,pkgCache::VerIterator &Ver);
diff --git a/apt-pkg/edsp/edspsystem.cc b/apt-pkg/edsp/edspsystem.cc
index 10d75771a..6b9207451 100644
--- a/apt-pkg/edsp/edspsystem.cc
+++ b/apt-pkg/edsp/edspsystem.cc
@@ -97,7 +97,7 @@ signed edspSystem::Score(Configuration const &Cnf)
 }
 									/*}}}*/
 // System::AddStatusFiles - Register the status files			/*{{{*/
-bool edspSystem::AddStatusFiles(vector<pkgIndexFile *> &List)
+bool edspSystem::AddStatusFiles(std::vector<pkgIndexFile *> &List)
 {
    if (StatusFile == 0)
    {
diff --git a/apt-pkg/indexcopy.h b/apt-pkg/indexcopy.h
index 60c90dd4a..21294ae7e 100644
--- a/apt-pkg/indexcopy.h
+++ b/apt-pkg/indexcopy.h
@@ -14,9 +14,6 @@
 #include <string>
 #include <stdio.h>
 
-using std::string;
-using std::vector;
-
 class pkgTagSection;
 class FileFd;
 class indexRecords;
@@ -31,20 +28,20 @@ class IndexCopy								/*{{{*/
    
    pkgTagSection *Section;
    
-   string ChopDirs(string Path,unsigned int Depth);
-   bool ReconstructPrefix(string &Prefix,string OrigPath,string CD,
-			  string File);
-   bool ReconstructChop(unsigned long &Chop,string Dir,string File);
-   void ConvertToSourceList(string CD,string &Path);
-   bool GrabFirst(string Path,string &To,unsigned int Depth);
-   virtual bool GetFile(string &Filename,unsigned long long &Size) = 0;
-   virtual bool RewriteEntry(FILE *Target,string File) = 0;
+   std::string ChopDirs(std::string Path,unsigned int Depth);
+   bool ReconstructPrefix(std::string &Prefix,std::string OrigPath,std::string CD,
+			  std::string File);
+   bool ReconstructChop(unsigned long &Chop,std::string Dir,std::string File);
+   void ConvertToSourceList(std::string CD,std::string &Path);
+   bool GrabFirst(std::string Path,std::string &To,unsigned int Depth);
+   virtual bool GetFile(std::string &Filename,unsigned long long &Size) = 0;
+   virtual bool RewriteEntry(FILE *Target,std::string File) = 0;
    virtual const char *GetFileName() = 0;
    virtual const char *Type() = 0;
    
    public:
 
-   bool CopyPackages(string CDROM,string Name,vector<string> &List,
+   bool CopyPackages(std::string CDROM,std::string Name,std::vector<std::string> &List,
 		     pkgCdromStatus *log);
    virtual ~IndexCopy() {};
 };
@@ -53,8 +50,8 @@ class PackageCopy : public IndexCopy					/*{{{*/
 {
    protected:
    
-   virtual bool GetFile(string &Filename,unsigned long long &Size);
-   virtual bool RewriteEntry(FILE *Target,string File);
+   virtual bool GetFile(std::string &Filename,unsigned long long &Size);
+   virtual bool RewriteEntry(FILE *Target,std::string File);
    virtual const char *GetFileName() {return "Packages";};
    virtual const char *Type() {return "Package";};
    
@@ -64,8 +61,8 @@ class SourceCopy : public IndexCopy					/*{{{*/
 {
    protected:
    
-   virtual bool GetFile(string &Filename,unsigned long long &Size);
-   virtual bool RewriteEntry(FILE *Target,string File);
+   virtual bool GetFile(std::string &Filename,unsigned long long &Size);
+   virtual bool RewriteEntry(FILE *Target,std::string File);
    virtual const char *GetFileName() {return "Sources";};
    virtual const char *Type() {return "Source";};
    
@@ -77,7 +74,7 @@ class TranslationsCopy							/*{{{*/
    pkgTagSection *Section;
 
    public:
-   bool CopyTranslations(string CDROM,string Name,vector<string> &List,
+   bool CopyTranslations(std::string CDROM,std::string Name,std::vector<std::string> &List,
 			 pkgCdromStatus *log);
 };
 									/*}}}*/
@@ -86,13 +83,13 @@ class SigVerify								/*{{{*/
    /** \brief dpointer placeholder (for later in case we need it) */
    void *d;
 
-   bool Verify(string prefix,string file, indexRecords *records);
-   bool CopyMetaIndex(string CDROM, string CDName, 
-		      string prefix, string file);
+   bool Verify(std::string prefix,std::string file, indexRecords *records);
+   bool CopyMetaIndex(std::string CDROM, std::string CDName, 
+		      std::string prefix, std::string file);
 
  public:
-   bool CopyAndVerify(string CDROM,string Name,vector<string> &SigList,
-		      vector<string> PkgList,vector<string> SrcList);
+   bool CopyAndVerify(std::string CDROM,std::string Name,std::vector<std::string> &SigList,
+		      std::vector<std::string> PkgList,std::vector<std::string> SrcList);
 
    /** \brief generates and run the command to verify a file with gpgv */
    static bool RunGPGV(std::string const &File, std::string const &FileOut,
diff --git a/apt-pkg/indexfile.cc b/apt-pkg/indexfile.cc
index 68e9df4c8..642a750d4 100644
--- a/apt-pkg/indexfile.cc
+++ b/apt-pkg/indexfile.cc
@@ -47,9 +47,9 @@ pkgIndexFile::Type *pkgIndexFile::Type::GetType(const char *Type)
 // IndexFile::ArchiveInfo - Stub					/*{{{*/
 // ---------------------------------------------------------------------
 /* */
-string pkgIndexFile::ArchiveInfo(pkgCache::VerIterator Ver) const
+std::string pkgIndexFile::ArchiveInfo(pkgCache::VerIterator Ver) const
 {
-   return string();
+   return std::string();
 }
 									/*}}}*/
 // IndexFile::FindInCache - Stub					/*{{{*/
@@ -63,10 +63,10 @@ pkgCache::PkgFileIterator pkgIndexFile::FindInCache(pkgCache &Cache) const
 // IndexFile::SourceIndex - Stub					/*{{{*/
 // ---------------------------------------------------------------------
 /* */
-string pkgIndexFile::SourceInfo(pkgSrcRecords::Parser const &Record,
+std::string pkgIndexFile::SourceInfo(pkgSrcRecords::Parser const &Record,
 				pkgSrcRecords::File const &File) const
 {
-   return string();
+   return std::string();
 }
 									/*}}}*/
 // IndexFile::TranslationsAvailable - Check if will use Translation	/*{{{*/
@@ -98,7 +98,7 @@ __attribute__ ((deprecated)) bool pkgIndexFile::CheckLanguageCode(const char *La
 /* As we have now possibly more than one LanguageCode this method is
    supersided by a) private classmembers or b) getLanguages().
    TODO: Remove method with next API break */
-__attribute__ ((deprecated)) string pkgIndexFile::LanguageCode() {
+__attribute__ ((deprecated)) std::string pkgIndexFile::LanguageCode() {
 	if (TranslationsAvailable() == false)
 		return "";
 	return APT::Configuration::getLanguages()[0];
diff --git a/apt-pkg/indexfile.h b/apt-pkg/indexfile.h
index 2b5ae6342..68d53ad7e 100644
--- a/apt-pkg/indexfile.h
+++ b/apt-pkg/indexfile.h
@@ -27,8 +27,6 @@
 #include <apt-pkg/pkgcache.h>
 #include <apt-pkg/srcrecords.h>
 #include <apt-pkg/pkgrecords.h>
-    
-using std::string;
 
 class pkgAcquire;
 class pkgCacheGenerator;
@@ -59,13 +57,13 @@ class pkgIndexFile
    virtual const Type *GetType() const = 0;
    
    // Return descriptive strings of various sorts
-   virtual string ArchiveInfo(pkgCache::VerIterator Ver) const;
-   virtual string SourceInfo(pkgSrcRecords::Parser const &Record,
+   virtual std::string ArchiveInfo(pkgCache::VerIterator Ver) const;
+   virtual std::string SourceInfo(pkgSrcRecords::Parser const &Record,
 			     pkgSrcRecords::File const &File) const;
-   virtual string Describe(bool Short = false) const = 0;   
+   virtual std::string Describe(bool Short = false) const = 0;   
 
    // Interface for acquire
-   virtual string ArchiveURI(string /*File*/) const {return string();};
+   virtual std::string ArchiveURI(std::string /*File*/) const {return std::string();};
 
    // Interface for the record parsers
    virtual pkgSrcRecords::Parser *CreateSrcParser() const {return 0;};
@@ -84,7 +82,7 @@ class pkgIndexFile
 
    static bool TranslationsAvailable();
    static bool CheckLanguageCode(const char *Lang);
-   static string LanguageCode();
+   static std::string LanguageCode();
 
    bool IsTrusted() const { return Trusted; };
    
diff --git a/apt-pkg/indexrecords.cc b/apt-pkg/indexrecords.cc
index 448a76c27..7b48d659e 100644
--- a/apt-pkg/indexrecords.cc
+++ b/apt-pkg/indexrecords.cc
@@ -15,6 +15,9 @@
 
 #include <apti18n.h>
 									/*}}}*/
+
+using std::string;
+
 string indexRecords::GetDist() const
 {
    return this->Dist;
@@ -146,7 +149,7 @@ bool indexRecords::Load(const string Filename)				/*{{{*/
    return true;
 }
 									/*}}}*/
-vector<string> indexRecords::MetaKeys()					/*{{{*/
+std::vector<string> indexRecords::MetaKeys()				/*{{{*/
 {
    std::vector<std::string> keys;
    std::map<string,checkSum *>::iterator I = Entries.begin();
diff --git a/apt-pkg/indexrecords.h b/apt-pkg/indexrecords.h
index 0f933b93c..66b84f8bb 100644
--- a/apt-pkg/indexrecords.h
+++ b/apt-pkg/indexrecords.h
@@ -16,42 +16,42 @@
 
 class indexRecords
 {
-   bool parseSumData(const char *&Start, const char *End, string &Name,
-		     string &Hash, unsigned long long &Size);
+   bool parseSumData(const char *&Start, const char *End, std::string &Name,
+		     std::string &Hash, unsigned long long &Size);
    public:
    struct checkSum;
-   string ErrorText;
+   std::string ErrorText;
    
    protected:
-   string Dist;
-   string Suite;
-   string ExpectedDist;
+   std::string Dist;
+   std::string Suite;
+   std::string ExpectedDist;
    time_t ValidUntil;
 
-   std::map<string,checkSum *> Entries;
+   std::map<std::string,checkSum *> Entries;
 
    public:
 
    indexRecords();
-   indexRecords(const string ExpectedDist);
+   indexRecords(const std::string ExpectedDist);
 
    // Lookup function
-   virtual const checkSum *Lookup(const string MetaKey);
+   virtual const checkSum *Lookup(const std::string MetaKey);
    /** \brief tests if a checksum for this file is available */
-   bool Exists(string const &MetaKey) const;
+   bool Exists(std::string const &MetaKey) const;
    std::vector<std::string> MetaKeys();
 
-   virtual bool Load(string Filename);
-   string GetDist() const;
+   virtual bool Load(std::string Filename);
+   std::string GetDist() const;
    time_t GetValidUntil() const;
-   virtual bool CheckDist(const string MaybeDist) const;
-   string GetExpectedDist() const;
+   virtual bool CheckDist(const std::string MaybeDist) const;
+   std::string GetExpectedDist() const;
    virtual ~indexRecords(){};
 };
 
 struct indexRecords::checkSum
 {
-   string MetaKeyFilename;
+   std::string MetaKeyFilename;
    HashString Hash;
    unsigned long long Size;
 };
diff --git a/apt-pkg/init.cc b/apt-pkg/init.cc
index 97a39e96e..a1cb05e38 100644
--- a/apt-pkg/init.cc
+++ b/apt-pkg/init.cc
@@ -108,14 +108,14 @@ bool pkgInitConfig(Configuration &Cnf)
    }
 
    // Read the configuration parts dir
-   string Parts = Cnf.FindDir("Dir::Etc::parts");
+   std::string Parts = Cnf.FindDir("Dir::Etc::parts");
    if (DirectoryExists(Parts) == true)
       Res &= ReadConfigDir(Cnf,Parts);
    else
       _error->WarningE("DirectoryExists",_("Unable to read %s"),Parts.c_str());
 
    // Read the main config file
-   string FName = Cnf.FindFile("Dir::Etc::main");
+   std::string FName = Cnf.FindFile("Dir::Etc::main");
    if (RealFileExists(FName) == true)
       Res &= ReadConfigFile(Cnf,FName);
 
@@ -142,7 +142,7 @@ bool pkgInitConfig(Configuration &Cnf)
 bool pkgInitSystem(Configuration &Cnf,pkgSystem *&Sys)
 {
    Sys = 0;
-   string Label = Cnf.Find("Apt::System","");
+   std::string Label = Cnf.Find("Apt::System","");
    if (Label.empty() == false)
    {
       Sys = pkgSystem::GetSystem(Label.c_str());
diff --git a/apt-pkg/metaindex.h b/apt-pkg/metaindex.h
index f60235a5d..66c287c30 100644
--- a/apt-pkg/metaindex.h
+++ b/apt-pkg/metaindex.h
@@ -8,8 +8,6 @@
 #include <apt-pkg/pkgrecords.h>
 #include <apt-pkg/indexfile.h>
 #include <apt-pkg/vendor.h>
-    
-using std::string;
 
 class pkgAcquire;
 class pkgCacheGenerator;
@@ -18,35 +16,35 @@ class OpProgress;
 class metaIndex
 {
    protected:
-   vector <pkgIndexFile *> *Indexes;
+   std::vector <pkgIndexFile *> *Indexes;
    const char *Type;
-   string URI;
-   string Dist;
+   std::string URI;
+   std::string Dist;
    bool Trusted;
 
    public:
 
    
    // Various accessors
-   virtual string GetURI() const {return URI;}
-   virtual string GetDist() const {return Dist;}
+   virtual std::string GetURI() const {return URI;}
+   virtual std::string GetDist() const {return Dist;}
    virtual const char* GetType() const {return Type;}
 
    // Interface for acquire
-   virtual string ArchiveURI(string const& /*File*/) const = 0;
+   virtual std::string ArchiveURI(std::string const& /*File*/) const = 0;
    virtual bool GetIndexes(pkgAcquire *Owner, bool const &GetAll=false) const = 0;
    
-   virtual vector<pkgIndexFile *> *GetIndexFiles() = 0; 
+   virtual std::vector<pkgIndexFile *> *GetIndexFiles() = 0; 
    virtual bool IsTrusted() const = 0;
 
-   metaIndex(string const &URI, string const &Dist, char const * const Type) :
+   metaIndex(std::string const &URI, std::string const &Dist, char const * const Type) :
 		Indexes(NULL), Type(Type), URI(URI), Dist(Dist) {
    }
 
    virtual ~metaIndex() {
       if (Indexes == 0)
 	 return;
-      for (vector<pkgIndexFile *>::iterator I = (*Indexes).begin(); I != (*Indexes).end(); ++I)
+      for (std::vector<pkgIndexFile *>::iterator I = (*Indexes).begin(); I != (*Indexes).end(); ++I)
 	 delete *I;
       delete Indexes;
    }
diff --git a/apt-pkg/orderlist.h b/apt-pkg/orderlist.h
index 9588d30a5..a2d7b321b 100644
--- a/apt-pkg/orderlist.h
+++ b/apt-pkg/orderlist.h
@@ -38,7 +38,7 @@ class pkgOrderList : protected pkgCache::Namespace
    Package **End;
    Package **List;
    Package **AfterEnd;
-   string *FileList;
+   std::string *FileList;
    DepIterator Loops[20];
    int LoopCount;
    int Depth;
@@ -102,7 +102,7 @@ class pkgOrderList : protected pkgCache::Namespace
    inline bool IsNow(PkgIterator Pkg) {return (Flags[Pkg->ID] & (States & (~Removed))) == 0;};
    bool IsMissing(PkgIterator Pkg);
    void WipeFlags(unsigned long F);
-   void SetFileList(string *FileList) {this->FileList = FileList;};
+   void SetFileList(std::string *FileList) {this->FileList = FileList;};
 
    // Accessors
    inline iterator begin() {return List;};
@@ -115,7 +115,7 @@ class pkgOrderList : protected pkgCache::Namespace
    
    // Ordering modes
    bool OrderCritical();
-   bool OrderUnpack(string *FileList = 0);
+   bool OrderUnpack(std::string *FileList = 0);
    bool OrderConfigure();
 
    int Score(PkgIterator Pkg);
diff --git a/apt-pkg/packagemanager.h b/apt-pkg/packagemanager.h
index 96dc5f236..7ee17942c 100644
--- a/apt-pkg/packagemanager.h
+++ b/apt-pkg/packagemanager.h
@@ -30,8 +30,6 @@
 #include <apt-pkg/depcache.h>
 #include <set>
 
-using std::string;
-
 class pkgAcquire;
 class pkgDepCache;
 class pkgSourceList;
@@ -45,7 +43,7 @@ class pkgPackageManager : protected pkgCache::Namespace
    static bool SigINTStop;
    
    protected:
-   string *FileNames;
+   std::string *FileNames;
    pkgDepCache &Cache;
    pkgOrderList *List;
    bool Debug;
@@ -78,7 +76,7 @@ class pkgPackageManager : protected pkgCache::Namespace
    bool EarlyRemove(PkgIterator Pkg);  
    
    // The Actual installation implementation
-   virtual bool Install(PkgIterator /*Pkg*/,string /*File*/) {return false;};
+   virtual bool Install(PkgIterator /*Pkg*/,std::string /*File*/) {return false;};
    virtual bool Configure(PkgIterator /*Pkg*/) {return false;};
    virtual bool Remove(PkgIterator /*Pkg*/,bool /*Purge*/=false) {return false;};
    virtual bool Go(int statusFd=-1) {return true;};
diff --git a/apt-pkg/pkgcache.cc b/apt-pkg/pkgcache.cc
index 089648271..40b99891a 100644
--- a/apt-pkg/pkgcache.cc
+++ b/apt-pkg/pkgcache.cc
@@ -490,7 +490,7 @@ pkgCache::PkgIterator::CurVersion() const
    if they provide no new information (e.g. there is no newer version than candidate)
    If no version and/or section can be found "none" is used. */
 std::ostream& 
-operator<<(ostream& out, pkgCache::PkgIterator Pkg) 
+operator<<(std::ostream& out, pkgCache::PkgIterator Pkg) 
 {
    if (Pkg.end() == true)
       return out << "invalid package";
@@ -685,7 +685,7 @@ void pkgCache::DepIterator::GlobOr(DepIterator &Start,DepIterator &End)
 // ostream operator to handle string representation of a dependecy	/*{{{*/
 // ---------------------------------------------------------------------
 /* */
-std::ostream& operator<<(ostream& out, pkgCache::DepIterator D)
+std::ostream& operator<<(std::ostream& out, pkgCache::DepIterator D)
 {
    if (D.end() == true)
       return out << "invalid dependency";
diff --git a/apt-pkg/pkgcache.h b/apt-pkg/pkgcache.h
index 87912aead..7e32a3a96 100644
--- a/apt-pkg/pkgcache.h
+++ b/apt-pkg/pkgcache.h
@@ -79,8 +79,6 @@
 #include <time.h>
 #include <apt-pkg/mmap.h>
 
-using std::string;
-    
 class pkgVersioningSystem;
 class pkgCache								/*{{{*/
 {
@@ -152,10 +150,10 @@ class pkgCache								/*{{{*/
    protected:
    
    // Memory mapped cache file
-   string CacheFile;
+   std::string CacheFile;
    MMap &Map;
 
-   unsigned long sHash(const string &S) const;
+   unsigned long sHash(const std::string &S) const;
    unsigned long sHash(const char *S) const;
    
    public:
@@ -180,16 +178,16 @@ class pkgCache								/*{{{*/
    inline void *DataEnd() {return ((unsigned char *)Map.Data()) + Map.Size();};
       
    // String hashing function (512 range)
-   inline unsigned long Hash(const string &S) const {return sHash(S);};
+   inline unsigned long Hash(const std::string &S) const {return sHash(S);};
    inline unsigned long Hash(const char *S) const {return sHash(S);};
 
    // Useful transformation things
    const char *Priority(unsigned char Priority);
    
    // Accessors
-   GrpIterator FindGrp(const string &Name);
-   PkgIterator FindPkg(const string &Name);
-   PkgIterator FindPkg(const string &Name, const string &Arch);
+   GrpIterator FindGrp(const std::string &Name);
+   PkgIterator FindPkg(const std::string &Name);
+   PkgIterator FindPkg(const std::string &Name, const std::string &Arch);
 
    Header &Head() {return *HeaderP;};
    inline GrpIterator GrpBegin();
@@ -214,7 +212,7 @@ class pkgCache								/*{{{*/
 
 private:
    bool MultiArchEnabled;
-   PkgIterator SingleArchFindPkg(const string &Name);
+   PkgIterator SingleArchFindPkg(const std::string &Name);
    inline char const * const NativeArch() const;
 };
 									/*}}}*/
diff --git a/apt-pkg/pkgcachegen.h b/apt-pkg/pkgcachegen.h
index c26051182..af9c2bcb0 100644
--- a/apt-pkg/pkgcachegen.h
+++ b/apt-pkg/pkgcachegen.h
@@ -63,29 +63,29 @@ class pkgCacheGenerator							/*{{{*/
    pkgCache Cache;
    OpProgress *Progress;
    
-   string PkgFileName;
+   std::string PkgFileName;
    pkgCache::PackageFile *CurrentFile;
 
    // Flag file dependencies
    bool FoundFileDeps;
    
-   bool NewGroup(pkgCache::GrpIterator &Grp,const string &Name);
-   bool NewPackage(pkgCache::PkgIterator &Pkg,const string &Name, const string &Arch);
+   bool NewGroup(pkgCache::GrpIterator &Grp,const std::string &Name);
+   bool NewPackage(pkgCache::PkgIterator &Pkg,const std::string &Name, const std::string &Arch);
    bool NewFileVer(pkgCache::VerIterator &Ver,ListParser &List);
    bool NewFileDesc(pkgCache::DescIterator &Desc,ListParser &List);
    bool NewDepends(pkgCache::PkgIterator &Pkg, pkgCache::VerIterator &Ver,
-		   string const &Version, unsigned int const &Op,
+		   std::string const &Version, unsigned int const &Op,
 		   unsigned int const &Type, map_ptrloc* &OldDepLast);
-   unsigned long NewVersion(pkgCache::VerIterator &Ver,const string &VerStr,unsigned long Next);
-   map_ptrloc NewDescription(pkgCache::DescIterator &Desc,const string &Lang,const MD5SumValue &md5sum,map_ptrloc Next);
+   unsigned long NewVersion(pkgCache::VerIterator &Ver,const std::string &VerStr,unsigned long Next);
+   map_ptrloc NewDescription(pkgCache::DescIterator &Desc,const std::string &Lang,const MD5SumValue &md5sum,map_ptrloc Next);
 
    public:
 
    unsigned long WriteUniqString(const char *S,unsigned int Size);
-   inline unsigned long WriteUniqString(const string &S) {return WriteUniqString(S.c_str(),S.length());};
+   inline unsigned long WriteUniqString(const std::string &S) {return WriteUniqString(S.c_str(),S.length());};
 
    void DropProgress() {Progress = 0;};
-   bool SelectFile(const string &File,const string &Site,pkgIndexFile const &Index,
+   bool SelectFile(const std::string &File,const std::string &Site,pkgIndexFile const &Index,
 		   unsigned long Flags = 0);
    bool MergeList(ListParser &List,pkgCache::VerIterator *Ver = 0);
    inline pkgCache &GetCache() {return Cache;};
@@ -122,26 +122,26 @@ class pkgCacheGenerator::ListParser
       
    protected:
 
-   inline unsigned long WriteUniqString(string S) {return Owner->WriteUniqString(S);};
+   inline unsigned long WriteUniqString(std::string S) {return Owner->WriteUniqString(S);};
    inline unsigned long WriteUniqString(const char *S,unsigned int Size) {return Owner->WriteUniqString(S,Size);};
-   inline unsigned long WriteString(const string &S) {return Owner->WriteStringInMap(S);};
+   inline unsigned long WriteString(const std::string &S) {return Owner->WriteStringInMap(S);};
    inline unsigned long WriteString(const char *S,unsigned int Size) {return Owner->WriteStringInMap(S,Size);};
-   bool NewDepends(pkgCache::VerIterator &Ver,const string &Package, const string &Arch,
-		   const string &Version,unsigned int Op,
+   bool NewDepends(pkgCache::VerIterator &Ver,const std::string &Package, const std::string &Arch,
+		   const std::string &Version,unsigned int Op,
 		   unsigned int Type);
-   bool NewProvides(pkgCache::VerIterator &Ver,const string &PkgName,
-		    const string &PkgArch, const string &Version);
+   bool NewProvides(pkgCache::VerIterator &Ver,const std::string &PkgName,
+		    const std::string &PkgArch, const std::string &Version);
    
    public:
    
    // These all operate against the current section
-   virtual string Package() = 0;
-   virtual string Architecture() = 0;
+   virtual std::string Package() = 0;
+   virtual std::string Architecture() = 0;
    virtual bool ArchitectureAll() = 0;
-   virtual string Version() = 0;
+   virtual std::string Version() = 0;
    virtual bool NewVersion(pkgCache::VerIterator &Ver) = 0;
-   virtual string Description() = 0;
-   virtual string DescriptionLanguage() = 0;
+   virtual std::string Description() = 0;
+   virtual std::string DescriptionLanguage() = 0;
    virtual MD5SumValue Description_md5() = 0;
    virtual unsigned short VersionHash() = 0;
    virtual bool UsePackage(pkgCache::PkgIterator &Pkg,
diff --git a/apt-pkg/pkgrecords.cc b/apt-pkg/pkgrecords.cc
index 7709f133a..c5b3bebd7 100644
--- a/apt-pkg/pkgrecords.cc
+++ b/apt-pkg/pkgrecords.cc
@@ -46,7 +46,7 @@ pkgRecords::pkgRecords(pkgCache &Cache) : Cache(Cache),
 /* */
 pkgRecords::~pkgRecords()
 {
-   for ( vector<Parser*>::iterator it = Files.begin();
+   for ( std::vector<Parser*>::iterator it = Files.begin();
      it != Files.end();
      ++it)
    {
diff --git a/apt-pkg/pkgrecords.h b/apt-pkg/pkgrecords.h
index 8741533b9..3658435e8 100644
--- a/apt-pkg/pkgrecords.h
+++ b/apt-pkg/pkgrecords.h
@@ -54,23 +54,23 @@ class pkgRecords::Parser						/*{{{*/
    friend class pkgRecords;
    
    // These refer to the archive file for the Version
-   virtual string FileName() {return string();};
-   virtual string MD5Hash() {return string();};
-   virtual string SHA1Hash() {return string();};
-   virtual string SHA256Hash() {return string();};
-   virtual string SHA512Hash() {return string();};
-   virtual string SourcePkg() {return string();};
-   virtual string SourceVer() {return string();};
+   virtual std::string FileName() {return std::string();};
+   virtual std::string MD5Hash() {return std::string();};
+   virtual std::string SHA1Hash() {return std::string();};
+   virtual std::string SHA256Hash() {return std::string();};
+   virtual std::string SHA512Hash() {return std::string();};
+   virtual std::string SourcePkg() {return std::string();};
+   virtual std::string SourceVer() {return std::string();};
 
    // These are some general stats about the package
-   virtual string Maintainer() {return string();};
-   virtual string ShortDesc() {return string();};
-   virtual string LongDesc() {return string();};
-   virtual string Name() {return string();};
-   virtual string Homepage() {return string();}
+   virtual std::string Maintainer() {return std::string();};
+   virtual std::string ShortDesc() {return std::string();};
+   virtual std::string LongDesc() {return std::string();};
+   virtual std::string Name() {return std::string();};
+   virtual std::string Homepage() {return std::string();}
 
    // An arbitrary custom field
-   virtual string RecordField(const char *fieldName) { return string();};
+   virtual std::string RecordField(const char *fieldName) { return std::string();};
 
    // The record in binary form
    virtual void GetRec(const char *&Start,const char *&Stop) {Start = Stop = 0;};
diff --git a/apt-pkg/policy.h b/apt-pkg/policy.h
index 92d32728f..3c8246e3b 100644
--- a/apt-pkg/policy.h
+++ b/apt-pkg/policy.h
@@ -38,8 +38,6 @@
 #include <apt-pkg/versionmatch.h>
 #include <vector>
 
-using std::vector;
-
 class pkgPolicy : public pkgDepCache::Policy
 {
    protected:
@@ -47,29 +45,29 @@ class pkgPolicy : public pkgDepCache::Policy
    struct Pin
    {
       pkgVersionMatch::MatchType Type;
-      string Data;
+      std::string Data;
       signed short Priority;
       Pin() : Type(pkgVersionMatch::None), Priority(0) {};
    };
 
    struct PkgPin : Pin
    {
-      string Pkg;
-      PkgPin(string const &Pkg) : Pin(), Pkg(Pkg) {};
+      std::string Pkg;
+      PkgPin(std::string const &Pkg) : Pin(), Pkg(Pkg) {};
    };
    
    Pin *Pins;
    signed short *PFPriority;
-   vector<Pin> Defaults;
-   vector<PkgPin> Unmatched;
+   std::vector<Pin> Defaults;
+   std::vector<PkgPin> Unmatched;
    pkgCache *Cache;
    bool StatusOverride;
    
    public:
 
    // Things for manipulating pins
-   void CreatePin(pkgVersionMatch::MatchType Type,string Pkg,
-		  string Data,signed short Priority);
+   void CreatePin(pkgVersionMatch::MatchType Type,std::string Pkg,
+		  std::string Data,signed short Priority);
    pkgCache::VerIterator GetMatch(pkgCache::PkgIterator const &Pkg);
 
    // Things for the cache interface.
@@ -83,7 +81,7 @@ class pkgPolicy : public pkgDepCache::Policy
    virtual ~pkgPolicy() {delete [] PFPriority; delete [] Pins;};
 };
 
-bool ReadPinFile(pkgPolicy &Plcy,string File = "");
-bool ReadPinDir(pkgPolicy &Plcy,string Dir = "");
+bool ReadPinFile(pkgPolicy &Plcy, std::string File = "");
+bool ReadPinDir(pkgPolicy &Plcy, std::string Dir = "");
 
 #endif
diff --git a/apt-pkg/srcrecords.h b/apt-pkg/srcrecords.h
index 8a78d7711..a55bc74fa 100644
--- a/apt-pkg/srcrecords.h
+++ b/apt-pkg/srcrecords.h
@@ -15,10 +15,7 @@
 
 
 #include <string>
-#include <vector>    
-
-using std::string;
-using std::vector;
+#include <vector>
 
 class pkgSourceList;
 class pkgIndexFile;
@@ -29,10 +26,10 @@ class pkgSrcRecords
    // Describes a single file
    struct File
    {
-      string MD5Hash;
+      std::string MD5Hash;
       unsigned long Size;
-      string Path;
-      string Type;
+      std::string Path;
+      std::string Type;
    };
    
    // Abstract parser for each source record
@@ -49,8 +46,8 @@ class pkgSrcRecords
 
       struct BuildDepRec 
       {
-         string Package;
-	 string Version;
+	 std::string Package;
+	 std::string Version;
 	 unsigned int Op;
 	 unsigned char Type;
       };
@@ -61,18 +58,18 @@ class pkgSrcRecords
       virtual bool Step() = 0;
       virtual bool Jump(unsigned long const &Off) = 0;
       virtual unsigned long Offset() = 0;
-      virtual string AsStr() = 0;
+      virtual std::string AsStr() = 0;
       
-      virtual string Package() const = 0;
-      virtual string Version() const = 0;
-      virtual string Maintainer() const = 0;
-      virtual string Section() const = 0;
+      virtual std::string Package() const = 0;
+      virtual std::string Version() const = 0;
+      virtual std::string Maintainer() const = 0;
+      virtual std::string Section() const = 0;
       virtual const char **Binaries() = 0;   // Ownership does not transfer
 
-      virtual bool BuildDepends(vector<BuildDepRec> &BuildDeps, bool const &ArchOnly, bool const &StripMultiArch = true) = 0;
+      virtual bool BuildDepends(std::vector<BuildDepRec> &BuildDeps, bool const &ArchOnly, bool const &StripMultiArch = true) = 0;
       static const char *BuildDepType(unsigned char const &Type);
 
-      virtual bool Files(vector<pkgSrcRecords::File> &F) = 0;
+      virtual bool Files(std::vector<pkgSrcRecords::File> &F) = 0;
       
       Parser(const pkgIndexFile *Index) : iIndex(Index) {};
       virtual ~Parser() {};
@@ -83,8 +80,8 @@ class pkgSrcRecords
    void *d;
    
    // The list of files and the current parser pointer
-   vector<Parser*> Files;
-   vector<Parser *>::iterator Current;
+   std::vector<Parser*> Files;
+   std::vector<Parser *>::iterator Current;
    
    public:
 
diff --git a/apt-pkg/tagfile.h b/apt-pkg/tagfile.h
index 28f7fcc24..e3034b628 100644
--- a/apt-pkg/tagfile.h
+++ b/apt-pkg/tagfile.h
@@ -54,7 +54,7 @@ class pkgTagSection
    
    bool Find(const char *Tag,const char *&Start, const char *&End) const;
    bool Find(const char *Tag,unsigned &Pos) const;
-   string FindS(const char *Tag) const;
+   std::string FindS(const char *Tag) const;
    signed int FindI(const char *Tag,signed long Default = 0) const ;
    unsigned long long FindULL(const char *Tag, unsigned long long const &Default = 0) const;
    bool FindFlag(const char *Tag,unsigned long &Flags,
diff --git a/apt-pkg/vendor.cc b/apt-pkg/vendor.cc
index eab6d448f..36fc25957 100644
--- a/apt-pkg/vendor.cc
+++ b/apt-pkg/vendor.cc
@@ -22,16 +22,16 @@ Vendor::Vendor(std::string VendorID,
    delete FingerprintList;
 }
 
-const string Vendor::LookupFingerprint(string Print) const
+const std::string Vendor::LookupFingerprint(std::string Print) const
 {
-   std::map<string,string>::const_iterator Elt = Fingerprints.find(Print);
+   std::map<std::string,std::string>::const_iterator Elt = Fingerprints.find(Print);
    if (Elt == Fingerprints.end())
       return "";
    else
       return (*Elt).second;
 }
 
-bool Vendor::CheckDist(string Dist)
+bool Vendor::CheckDist(std::string Dist)
 {
    return true;
 }
diff --git a/apt-pkg/vendor.h b/apt-pkg/vendor.h
index df229737a..9b157378c 100644
--- a/apt-pkg/vendor.h
+++ b/apt-pkg/vendor.h
@@ -6,29 +6,27 @@
 
 #include <apt-pkg/macros.h>
 
-using std::string;
-
-// A class representing a particular software provider. 
+// A class representing a particular software provider.
 class __deprecated Vendor
 {
    public:
    struct Fingerprint
    {
-      string Print;
-      string Description;
+      std::string Print;
+      std::string Description;
    };
 
    protected:
-   string VendorID;
-   string Origin;
-   std::map<string, string> Fingerprints;
+   std::string VendorID;
+   std::string Origin;
+   std::map<std::string, std::string> Fingerprints;
 
    public:
-   Vendor(string VendorID, string Origin,
+   Vendor(std::string VendorID, std::string Origin,
           std::vector<struct Fingerprint *> *FingerprintList);
-   virtual const string& GetVendorID() const { return VendorID; };
-   virtual const string LookupFingerprint(string Print) const;
-   virtual bool CheckDist(string Dist);
+   virtual const std::string& GetVendorID() const { return VendorID; };
+   virtual const std::string LookupFingerprint(std::string Print) const;
+   virtual bool CheckDist(std::string Dist);
    virtual ~Vendor(){};
 };
 
diff --git a/apt-pkg/vendorlist.cc b/apt-pkg/vendorlist.cc
index 731f11acf..2ccb556ab 100644
--- a/apt-pkg/vendorlist.cc
+++ b/apt-pkg/vendorlist.cc
@@ -10,6 +10,9 @@
 
 #include <apt-pkg/vendorlist.h>
 
+using std::string;
+using std::vector;
+
 pkgVendorList::~pkgVendorList()
 {
    for (vector<const Vendor *>::const_iterator I = VendorList.begin(); 
diff --git a/apt-pkg/vendorlist.h b/apt-pkg/vendorlist.h
index eaeecb173..62ab78a33 100644
--- a/apt-pkg/vendorlist.h
+++ b/apt-pkg/vendorlist.h
@@ -19,22 +19,18 @@
 #include <apt-pkg/configuration.h>
 #include <apt-pkg/macros.h>
 
-using std::string;
-using std::vector;
-
-
 class __deprecated pkgVendorList
 {
    protected:
-   vector<Vendor const *> VendorList;
+   std::vector<Vendor const *> VendorList;
 
    bool CreateList(Configuration& Cnf);
-   const Vendor* LookupFingerprint(string Fingerprint);
+   const Vendor* LookupFingerprint(std::string Fingerprint);
 
    public:
-   typedef vector<Vendor const *>::const_iterator const_iterator;
+   typedef std::vector<Vendor const *>::const_iterator const_iterator;
    bool ReadMainList();
-   bool Read(string File);
+   bool Read(std::string File);
 
    // List accessors
    inline const_iterator begin() const {return VendorList.begin();};
@@ -42,7 +38,7 @@ class __deprecated pkgVendorList
    inline unsigned int size() const {return VendorList.size();};
    inline bool empty() const {return VendorList.empty();};
 
-   const Vendor* FindVendor(const vector<string> GPGVOutput);
+   const Vendor* FindVendor(const std::vector<std::string> GPGVOutput);
 
    ~pkgVendorList();
 };
diff --git a/apt-pkg/version.h b/apt-pkg/version.h
index 49c53a93a..c9257d116 100644
--- a/apt-pkg/version.h
+++ b/apt-pkg/version.h
@@ -24,8 +24,6 @@
 #include <apt-pkg/strutl.h>    
 #include <string>
 
-using std::string;
-
 class pkgVersioningSystem
 {
    public:
@@ -43,7 +41,7 @@ class pkgVersioningSystem
    virtual bool CheckDep(const char *PkgVer,int Op,const char *DepVer) = 0;
    virtual int DoCmpReleaseVer(const char *A,const char *Aend,
 			       const char *B,const char *Bend) = 0;
-   virtual string UpstreamVersion(const char *A) = 0;
+   virtual std::string UpstreamVersion(const char *A) = 0;
    
    // See if the given VS is compatible with this one.. 
    virtual bool TestCompatibility(pkgVersioningSystem const &Against) 
diff --git a/apt-pkg/versionmatch.cc b/apt-pkg/versionmatch.cc
index f336b3c35..e4fa0ea65 100644
--- a/apt-pkg/versionmatch.cc
+++ b/apt-pkg/versionmatch.cc
@@ -24,6 +24,8 @@
 #include <regex.h>
 									/*}}}*/
 
+using std::string;
+
 // VersionMatch::pkgVersionMatch - Constructor				/*{{{*/
 // ---------------------------------------------------------------------
 /* Break up the data string according to the selected type */
diff --git a/apt-pkg/versionmatch.h b/apt-pkg/versionmatch.h
index 39639a23d..da103fc5b 100644
--- a/apt-pkg/versionmatch.h
+++ b/apt-pkg/versionmatch.h
@@ -39,40 +39,38 @@
 #include <string>
 #include <apt-pkg/pkgcache.h>
 
-using std::string;
-
 class pkgVersionMatch
 {   
    // Version Matching
-   string VerStr;
+   std::string VerStr;
    bool VerPrefixMatch;
 
    // Release Matching
-   string RelVerStr;
+   std::string RelVerStr;
    bool RelVerPrefixMatch;
-   string RelOrigin;
-   string RelRelease;
-   string RelCodename;
-   string RelArchive;
-   string RelLabel;
-   string RelComponent;
-   string RelArchitecture;
+   std::string RelOrigin;
+   std::string RelRelease;
+   std::string RelCodename;
+   std::string RelArchive;
+   std::string RelLabel;
+   std::string RelComponent;
+   std::string RelArchitecture;
    bool MatchAll;
    
    // Origin Matching
-   string OrSite;
+   std::string OrSite;
    
    public:
    
    enum MatchType {None = 0,Version,Release,Origin} Type;
    
-   bool MatchVer(const char *A,string B,bool Prefix);
+   bool MatchVer(const char *A,std::string B,bool Prefix);
    bool ExpressionMatches(const char *pattern, const char *string);
    bool ExpressionMatches(const std::string& pattern, const char *string);
    bool FileMatch(pkgCache::PkgFileIterator File);
    pkgCache::VerIterator Find(pkgCache::PkgIterator Pkg);
 			       
-   pkgVersionMatch(string Data,MatchType Type);
+   pkgVersionMatch(std::string Data,MatchType Type);
 };
 
 #endif
diff --git a/debian/changelog b/debian/changelog
index 7e1ce4f4e..8a4994a32 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,10 @@
+apt (0.8.16~exp7) experimental; urgency=low
+
+  [ David Kalnischkies ]
+  * do not pollute namespace in the headers with using (Closes: #500198)
+
+ -- David Kalnischkies <kalnischkies@gmail.com>  Mon, 19 Sep 2011 13:25:58 +0200
+
 apt (0.8.16~exp6) experimental; urgency=low
 
   [ Christopher Baines ]
diff --git a/ftparchive/cachedb.cc b/ftparchive/cachedb.cc
index a1d70f912..7d8718c56 100644
--- a/ftparchive/cachedb.cc
+++ b/ftparchive/cachedb.cc
@@ -28,7 +28,7 @@
 // CacheDB::ReadyDB - Ready the DB2					/*{{{*/
 // ---------------------------------------------------------------------
 /* This opens the DB2 file for caching package information */
-bool CacheDB::ReadyDB(string const &DB)
+bool CacheDB::ReadyDB(std::string const &DB)
 {
    int err;
 
@@ -48,7 +48,7 @@ bool CacheDB::ReadyDB(string const &DB)
    
    DBLoaded = false;
    Dbp = 0;
-   DBFile = string();
+   DBFile = std::string();
    
    if (DB.empty())
       return true;
@@ -162,7 +162,7 @@ bool CacheDB::GetCurStat()
 									/*}}}*/
 // CacheDB::GetFileInfo - Get all the info about the file		/*{{{*/
 // ---------------------------------------------------------------------
-bool CacheDB::GetFileInfo(string const &FileName, bool const &DoControl, bool const &DoContents,
+bool CacheDB::GetFileInfo(std::string const &FileName, bool const &DoControl, bool const &DoContents,
 				bool const &GenContentsOnly, bool const &DoMD5, bool const &DoSHA1,
 				bool const &DoSHA256, 	bool const &DoSHA512, 
                           bool const &checkMtime)
@@ -298,12 +298,12 @@ bool CacheDB::LoadContents(bool const &GenOnly)
 }
 									/*}}}*/
 
-static string bytes2hex(uint8_t *bytes, size_t length) {
+static std::string bytes2hex(uint8_t *bytes, size_t length) {
    char space[65];
    if (length * 2 > sizeof(space) - 1) length = (sizeof(space) - 1) / 2;
    for (size_t i = 0; i < length; i++)
       snprintf(&space[i*2], 3, "%02x", bytes[i]);
-   return string(space);
+   return std::string(space);
 }
 
 static inline unsigned char xdig2num(char const &dig) {
@@ -496,7 +496,7 @@ bool CacheDB::Clean()
              stringcmp(Colon + 1, (char *)Key.data+Key.size,"cl") == 0 ||
              stringcmp(Colon + 1, (char *)Key.data+Key.size,"cn") == 0)
 	 {
-            if (FileExists(string((const char *)Key.data,Colon)) == true)
+            if (FileExists(std::string((const char *)Key.data,Colon)) == true)
 		continue;	     
 	 }
       }
diff --git a/ftparchive/cachedb.h b/ftparchive/cachedb.h
index 6bd5aa36c..f2e1e19e4 100644
--- a/ftparchive/cachedb.h
+++ b/ftparchive/cachedb.h
@@ -34,7 +34,7 @@ class CacheDB
    DB *Dbp;
    bool DBLoaded;
    bool ReadOnly;
-   string DBFile;
+   std::string DBFile;
 
    // Generate a key for the DB of a given type
    inline void InitQuery(const char *Type)
@@ -90,7 +90,7 @@ class CacheDB
    struct StatStore OldStat;
    
    // 'set' state
-   string FileName;
+   std::string FileName;
    FileFd *Fd;
    debDebFile *DebFile;
    
@@ -99,10 +99,10 @@ class CacheDB
    // Data collection helpers
    debDebFile::MemControlExtract Control;
    ContentsExtract Contents;
-   string MD5Res;
-   string SHA1Res;
-   string SHA256Res;
-   string SHA512Res;
+   std::string MD5Res;
+   std::string SHA1Res;
+   std::string SHA256Res;
+   std::string SHA512Res;
    
    // Runtime statistics
    struct Stats
@@ -129,21 +129,21 @@ class CacheDB
       Stats() : Bytes(0), MD5Bytes(0), SHA1Bytes(0), SHA256Bytes(0), Packages(0), Misses(0), DeLinkBytes(0) {};
    } Stats;
    
-   bool ReadyDB(string const &DB);
+   bool ReadyDB(std::string const &DB);
    inline bool DBFailed() {return Dbp != 0 && DBLoaded == false;};
    inline bool Loaded() {return DBLoaded == true;};
    
    inline unsigned long long GetFileSize(void) {return CurStat.FileSize;}
    
-   bool SetFile(string const &FileName,struct stat St,FileFd *Fd);
-   bool GetFileInfo(string const &FileName, bool const &DoControl, bool const &DoContents, bool const &GenContentsOnly,
+   bool SetFile(std::string const &FileName,struct stat St,FileFd *Fd);
+   bool GetFileInfo(std::string const &FileName, bool const &DoControl, bool const &DoContents, bool const &GenContentsOnly,
 		    bool const &DoMD5, bool const &DoSHA1, bool const &DoSHA256, bool const &DoSHA512, bool const &checkMtime = false);
    bool Finish();   
    
    bool Clean();
    
-   CacheDB(string const &DB) : Dbp(0), Fd(NULL), DebFile(0) {ReadyDB(DB);};
-   ~CacheDB() {ReadyDB(string()); delete DebFile;};
+   CacheDB(std::string const &DB) : Dbp(0), Fd(NULL), DebFile(0) {ReadyDB(DB);};
+   ~CacheDB() {ReadyDB(std::string()); delete DebFile;};
 };
     
 #endif
diff --git a/ftparchive/contents.cc b/ftparchive/contents.cc
index 65d8dd1ce..bbc5a1e2b 100644
--- a/ftparchive/contents.cc
+++ b/ftparchive/contents.cc
@@ -380,7 +380,7 @@ bool ContentsExtract::TakeContents(const void *NewData,unsigned long long Length
 // ContentsExtract::Add - Read the contents data into the sorter	/*{{{*/
 // ---------------------------------------------------------------------
 /* */
-void ContentsExtract::Add(GenContents &Contents,string const &Package)
+void ContentsExtract::Add(GenContents &Contents,std::string const &Package)
 {
    const char *Start = Data;
    char *Pkg = Contents.Mystrdup(Package.c_str());
diff --git a/ftparchive/contents.h b/ftparchive/contents.h
index f549ce17f..cdd8abd5c 100644
--- a/ftparchive/contents.h
+++ b/ftparchive/contents.h
@@ -80,7 +80,7 @@ class ContentsExtract : public pkgDirStream
    virtual bool DoItem(Item &Itm,int &Fd);      
    void Reset() {CurSize = 0;};
    bool TakeContents(const void *Data,unsigned long long Length);
-   void Add(GenContents &Contents,string const &Package);
+   void Add(GenContents &Contents,std::string const &Package);
    
    ContentsExtract() : Data(0), MaxSize(0), CurSize(0) {};
    virtual ~ContentsExtract() {delete [] Data;};
diff --git a/ftparchive/multicompress.h b/ftparchive/multicompress.h
index 4839af47d..19e5065fa 100644
--- a/ftparchive/multicompress.h
+++ b/ftparchive/multicompress.h
@@ -29,7 +29,7 @@ class MultiCompress
    // An output file
    struct Files
    {
-      string Output;
+      std::string Output;
       APT::Configuration::Compressor CompressProg;
       Files *Next;
       FileFd TmpFile;
@@ -57,9 +57,9 @@ class MultiCompress
    bool Finalize(unsigned long long &OutSize);
    bool OpenOld(int &Fd,pid_t &Proc);
    bool CloseOld(int Fd,pid_t Proc);
-   static bool GetStat(string const &Output,string const &Compress,struct stat &St);
+   static bool GetStat(std::string const &Output,std::string const &Compress,struct stat &St);
    
-   MultiCompress(string const &Output,string const &Compress,
+   MultiCompress(std::string const &Output,std::string const &Compress,
 		 mode_t const &Permissions, bool const &Write = true);
    ~MultiCompress();
 };
diff --git a/methods/bzip2.cc b/methods/bzip2.cc
index eff83bda7..ad5db6cfb 100644
--- a/methods/bzip2.cc
+++ b/methods/bzip2.cc
@@ -47,9 +47,9 @@ class Bzip2Method : public pkgAcqMethod
 bool Bzip2Method::Fetch(FetchItem *Itm)
 {
    URI Get = Itm->Uri;
-   string Path = Get.Host + Get.Path; // To account for relative paths
+   std::string Path = Get.Host + Get.Path; // To account for relative paths
    
-   string GzPathOption = "Dir::bin::"+string(Prog);
+   std::string GzPathOption = "Dir::bin::" + std::string(Prog);
 
    FetchResult Res;
    Res.Filename = Itm->DestFile;
@@ -78,7 +78,7 @@ bool Bzip2Method::Fetch(FetchItem *Itm)
       SetCloseExec(STDOUT_FILENO,false);
       
       const char *Args[3];
-      string Tmp = _config->Find(GzPathOption,Prog);
+      std::string Tmp = _config->Find(GzPathOption,Prog);
       Args[0] = Tmp.c_str();
       Args[1] = "-d";
       Args[2] = 0;
diff --git a/methods/connect.cc b/methods/connect.cc
index 16fb6e793..ba2264faa 100644
--- a/methods/connect.cc
+++ b/methods/connect.cc
@@ -35,13 +35,13 @@
 #include <apti18n.h>
 									/*}}}*/
 
-static string LastHost;
+static std::string LastHost;
 static int LastPort = 0;
 static struct addrinfo *LastHostAddr = 0;
 static struct addrinfo *LastUsed = 0;
 
 // Set of IP/hostnames that we timed out before or couldn't resolve
-static std::set<string> bad_addr;
+static std::set<std::string> bad_addr;
 
 // RotateDNS - Select a new server from a DNS rotation			/*{{{*/
 // ---------------------------------------------------------------------
@@ -58,7 +58,7 @@ void RotateDNS()
 // DoConnect - Attempt a connect operation				/*{{{*/
 // ---------------------------------------------------------------------
 /* This helper function attempts a connection to a single address. */
-static bool DoConnect(struct addrinfo *Addr,string Host,
+static bool DoConnect(struct addrinfo *Addr,std::string Host,
 		      unsigned long TimeOut,int &Fd,pkgAcqMethod *Owner)
 {
    // Show a status indicator
@@ -73,7 +73,7 @@ static bool DoConnect(struct addrinfo *Addr,string Host,
    Owner->Status(_("Connecting to %s (%s)"),Host.c_str(),Name);
 
    // if that addr did timeout before, we do not try it again
-   if(bad_addr.find(string(Name)) != bad_addr.end())
+   if(bad_addr.find(std::string(Name)) != bad_addr.end())
       return false;
 
    /* If this is an IP rotation store the IP we are using.. If something goes
@@ -100,7 +100,7 @@ static bool DoConnect(struct addrinfo *Addr,string Host,
    /* This implements a timeout for connect by opening the connection
       nonblocking */
    if (WaitFd(Fd,true,TimeOut) == false) {
-      bad_addr.insert(bad_addr.begin(), string(Name));
+      bad_addr.insert(bad_addr.begin(), std::string(Name));
       Owner->SetFailReason("Timeout");
       return _error->Error(_("Could not connect to %s:%s (%s), "
 			   "connection timed out"),Host.c_str(),Service,Name);
@@ -119,7 +119,7 @@ static bool DoConnect(struct addrinfo *Addr,string Host,
          Owner->SetFailReason("ConnectionRefused");
       else if (errno == ETIMEDOUT)
 	 Owner->SetFailReason("ConnectionTimedOut");
-      bad_addr.insert(bad_addr.begin(), string(Name));
+      bad_addr.insert(bad_addr.begin(), std::string(Name));
       return _error->Errno("connect",_("Could not connect to %s:%s (%s)."),Host.c_str(),
 			   Service,Name);
    }
@@ -130,7 +130,7 @@ static bool DoConnect(struct addrinfo *Addr,string Host,
 // Connect - Connect to a server					/*{{{*/
 // ---------------------------------------------------------------------
 /* Performs a connection to the server */
-bool Connect(string Host,int Port,const char *Service,int DefPort,int &Fd,
+bool Connect(std::string Host,int Port,const char *Service,int DefPort,int &Fd,
 	     unsigned long TimeOut,pkgAcqMethod *Owner)
 {
    if (_error->PendingError() == true)
diff --git a/methods/connect.h b/methods/connect.h
index 6f208e31d..0afa00919 100644
--- a/methods/connect.h
+++ b/methods/connect.h
@@ -13,7 +13,7 @@
 #include <string>
 #include <apt-pkg/acquire-method.h>
 
-bool Connect(string To,int Port,const char *Service,int DefPort,
+bool Connect(std::string To,int Port,const char *Service,int DefPort,
 	     int &Fd,unsigned long TimeOut,pkgAcqMethod *Owner);
 void RotateDNS();
 
diff --git a/methods/copy.cc b/methods/copy.cc
index 94467e054..fe2918469 100644
--- a/methods/copy.cc
+++ b/methods/copy.cc
@@ -37,7 +37,7 @@ class CopyMethod : public pkgAcqMethod
 bool CopyMethod::Fetch(FetchItem *Itm)
 {
    URI Get = Itm->Uri;
-   string File = Get.Path;
+   std::string File = Get.Path;
 
    // Stat the file and send a start message
    struct stat Buf;
diff --git a/methods/file.cc b/methods/file.cc
index 9fc4cd76c..d58652e6e 100644
--- a/methods/file.cc
+++ b/methods/file.cc
@@ -40,7 +40,7 @@ class FileMethod : public pkgAcqMethod
 bool FileMethod::Fetch(FetchItem *Itm)
 {
    URI Get = Itm->Uri;
-   string File = Get.Path;
+   std::string File = Get.Path;
    FetchResult Res;
    if (Get.Host.empty() == false)
       return _error->Error(_("Invalid URI, local URIS must not start with //"));
@@ -58,10 +58,10 @@ bool FileMethod::Fetch(FetchItem *Itm)
    }
    
    // See if we can compute a file without a .gz exentsion
-   string::size_type Pos = File.rfind(".gz");
+   std::string::size_type Pos = File.rfind(".gz");
    if (Pos + 3 == File.length())
    {
-      File = string(File,0,Pos);
+      File = std::string(File,0,Pos);
       if (stat(File.c_str(),&Buf) == 0)
       {
 	 FetchResult AltRes;
diff --git a/methods/ftp.h b/methods/ftp.h
index b4913ca57..7088e0954 100644
--- a/methods/ftp.h
+++ b/methods/ftp.h
@@ -33,7 +33,7 @@ class FTPConn
    socklen_t ServerAddrLen;
    
    // Private helper functions
-   bool ReadLine(string &Text);      
+   bool ReadLine(std::string &Text);
    bool Login();
    bool CreateDataFd();
    bool Finalize();
@@ -43,8 +43,8 @@ class FTPConn
    bool Comp(URI Other) {return Other.Host == ServerName.Host && Other.Port == ServerName.Port && Other.User == ServerName.User && Other.Password == ServerName.Password; };
    
    // Raw connection IO
-   bool ReadResp(unsigned int &Ret,string &Text);
-   bool WriteMsg(unsigned int &Ret,string &Text,const char *Fmt,...);
+   bool ReadResp(unsigned int &Ret,std::string &Text);
+   bool WriteMsg(unsigned int &Ret,std::string &Text,const char *Fmt,...);
    
    // Connection control
    bool Open(pkgAcqMethod *Owner);
@@ -65,11 +65,11 @@ class FTPConn
 class FtpMethod : public pkgAcqMethod
 {
    virtual bool Fetch(FetchItem *Itm);
-   virtual bool Configuration(string Message);
+   virtual bool Configuration(std::string Message);
    
    FTPConn *Server;
    
-   static string FailFile;
+   static std::string FailFile;
    static int FailFd;
    static time_t FailTime;
    static void SigTerm(int);
diff --git a/methods/gpgv.cc b/methods/gpgv.cc
index 251bcbc90..67cbd36a2 100644
--- a/methods/gpgv.cc
+++ b/methods/gpgv.cc
@@ -17,6 +17,9 @@
 
 #include <apti18n.h>
 
+using std::string;
+using std::vector;
+
 #define GNUPGPREFIX "[GNUPG:]"
 #define GNUPGBADSIG "[GNUPG:] BADSIG"
 #define GNUPGNOPUBKEY "[GNUPG:] NO_PUBKEY"
diff --git a/methods/gzip.cc b/methods/gzip.cc
index f4bb052e2..a51497948 100644
--- a/methods/gzip.cc
+++ b/methods/gzip.cc
@@ -41,7 +41,7 @@ class GzipMethod : public pkgAcqMethod
 bool GzipMethod::Fetch(FetchItem *Itm)
 {
    URI Get = Itm->Uri;
-   string Path = Get.Host + Get.Path; // To account for relative paths
+   std::string Path = Get.Host + Get.Path; // To account for relative paths
    
    FetchResult Res;
    Res.Filename = Itm->DestFile;
diff --git a/methods/http.h b/methods/http.h
index c47d7184a..08823d1b1 100644
--- a/methods/http.h
+++ b/methods/http.h
@@ -26,7 +26,7 @@ class CircleBuf
    unsigned long long Size;
    unsigned long long InP;
    unsigned long long OutP;
-   string OutQueue;
+   std::string OutQueue;
    unsigned long long StrPos;
    unsigned long long MaxGet;
    struct timeval Start;
@@ -60,11 +60,11 @@ class CircleBuf
    
    // Read data in
    bool Read(int Fd);
-   bool Read(string Data);
+   bool Read(std::string Data);
    
    // Write data out
    bool Write(int Fd);
-   bool WriteTillEl(string &Data,bool Single = false);
+   bool WriteTillEl(std::string &Data,bool Single = false);
    
    // Control the write limit
    void Limit(long long Max) {if (Max == -1) MaxGet = 0-1; else MaxGet = OutP + Max;}   
@@ -99,7 +99,7 @@ struct ServerState
    enum {Chunked,Stream,Closes} Encoding;
    enum {Header, Data} State;
    bool Persistent;
-   string Location;
+   std::string Location;
    
    // This is a Persistent attribute of the server itself.
    bool Pipeline;
@@ -112,7 +112,7 @@ struct ServerState
    int ServerFd;
    URI ServerName;
   
-   bool HeaderLine(string Line);
+   bool HeaderLine(std::string Line);
    bool Comp(URI Other) const {return Other.Host == ServerName.Host && Other.Port == ServerName.Port;};
    void Reset() {Major = 0; Minor = 0; Result = 0; Size = 0; StartPos = 0;
                  Encoding = Closes; time(&Date); ServerFd = -1; 
@@ -167,10 +167,10 @@ class HttpMethod : public pkgAcqMethod
    /** \brief Try to AutoDetect the proxy */
    bool AutoDetectProxy();
 
-   virtual bool Configuration(string Message);
+   virtual bool Configuration(std::string Message);
    
    // In the event of a fatal signal this file will be closed and timestamped.
-   static string FailFile;
+   static std::string FailFile;
    static int FailFd;
    static time_t FailTime;
    static void SigTerm(int);
@@ -178,8 +178,8 @@ class HttpMethod : public pkgAcqMethod
    protected:
    virtual bool Fetch(FetchItem *);
    
-   string NextURI;
-   string AutoDetectProxyCmd;
+   std::string NextURI;
+   std::string AutoDetectProxyCmd;
 
    public:
    friend struct ServerState;
diff --git a/methods/rred.cc b/methods/rred.cc
index bc941ed04..2a05acce1 100644
--- a/methods/rred.cc
+++ b/methods/rred.cc
@@ -472,7 +472,7 @@ bool RredMethod::Fetch(FetchItem *Itm)						/*{{{*/
 {
    Debug = _config->FindB("Debug::pkgAcquire::RRed", false);
    URI Get = Itm->Uri;
-   string Path = Get.Host + Get.Path; // To account for relative paths
+   std::string Path = Get.Host + Get.Path; // To account for relative paths
 
    FetchResult Res;
    Res.Filename = Itm->DestFile;
@@ -525,7 +525,7 @@ bool RredMethod::Fetch(FetchItem *Itm)						/*{{{*/
       and use the access time from the "old" file */
    struct stat BufBase, BufPatch;
    if (stat(Path.c_str(),&BufBase) != 0 ||
-       stat(string(Path+".ed").c_str(),&BufPatch) != 0)
+       stat(std::string(Path+".ed").c_str(),&BufPatch) != 0)
       return _error->Errno("stat",_("Failed to stat"));
 
    struct utimbuf TimeBuf;
diff --git a/methods/rsh.cc b/methods/rsh.cc
index c95a4d3eb..add128c49 100644
--- a/methods/rsh.cc
+++ b/methods/rsh.cc
@@ -32,7 +32,7 @@ const char *Prog;
 unsigned long TimeOut = 120;
 Configuration::Item const *RshOptions = 0;
 time_t RSHMethod::FailTime = 0;
-string RSHMethod::FailFile;
+std::string RSHMethod::FailFile;
 int RSHMethod::FailFd = -1;
 
 // RSHConn::RSHConn - Constructor					/*{{{*/
@@ -85,7 +85,7 @@ bool RSHConn::Open()
 // RSHConn::Connect - Fire up rsh and connect				/*{{{*/
 // ---------------------------------------------------------------------
 /* */
-bool RSHConn::Connect(string Host, string User)
+bool RSHConn::Connect(std::string Host, std::string User)
 {
    // Create the pipes
    int Pipes[4] = {-1,-1,-1,-1};
@@ -154,7 +154,7 @@ bool RSHConn::Connect(string Host, string User)
 // RSHConn::ReadLine - Very simple buffered read with timeout		/*{{{*/
 // ---------------------------------------------------------------------
 /* */
-bool RSHConn::ReadLine(string &Text)
+bool RSHConn::ReadLine(std::string &Text)
 {
    if (Process == -1 || ReadFd == -1)
       return false;
@@ -174,7 +174,7 @@ bool RSHConn::ReadLine(string &Text)
             continue;
 
          I++;
-         Text = string(Buffer,I);
+         Text = std::string(Buffer,I);
          memmove(Buffer,Buffer+I,Len - I);
          Len -= I;
          return true;
@@ -205,7 +205,7 @@ bool RSHConn::ReadLine(string &Text)
 // ---------------------------------------------------------------------
 /* The remote sync flag appends a || echo which will insert blank line
    once the command completes. */
-bool RSHConn::WriteMsg(string &Text,bool Sync,const char *Fmt,...)
+bool RSHConn::WriteMsg(std::string &Text,bool Sync,const char *Fmt,...)
 {
    va_list args;
    va_start(args,Fmt);
@@ -254,7 +254,7 @@ bool RSHConn::WriteMsg(string &Text,bool Sync,const char *Fmt,...)
 bool RSHConn::Size(const char *Path,unsigned long long &Size)
 {
    // Query the size
-   string Msg;
+	std::string Msg;
    Size = 0;
 
    if (WriteMsg(Msg,true,"find %s -follow -printf '%%s\\n'",Path) == false)
@@ -276,7 +276,7 @@ bool RSHConn::ModTime(const char *Path, time_t &Time)
 {
    Time = time(&Time);
    // Query the mod time
-   string Msg;
+   std::string Msg;
 
    if (WriteMsg(Msg,true,"TZ=UTC find %s -follow -printf '%%TY%%Tm%%Td%%TH%%TM%%TS\\n'",Path) == false)
       return false;
@@ -309,7 +309,7 @@ bool RSHConn::Get(const char *Path,FileFd &To,unsigned long long Resume,
    }
    
    // FIXME: Detect file-not openable type errors.
-   string Jnk;
+   std::string Jnk;
    if (WriteMsg(Jnk,false,"dd if=%s bs=2048 skip=%u", Path, Resume / 2048) == false)
       return false;
 
@@ -366,7 +366,7 @@ RSHMethod::RSHMethod() : pkgAcqMethod("1.0",SendConfig)
 									/*}}}*/
 // RSHMethod::Configuration - Handle a configuration message		/*{{{*/
 // ---------------------------------------------------------------------
-bool RSHMethod::Configuration(string Message)
+bool RSHMethod::Configuration(std::string Message)
 {
    char ProgStr[100];
   
diff --git a/methods/rsh.h b/methods/rsh.h
index c81396b5f..7bebe29a0 100644
--- a/methods/rsh.h
+++ b/methods/rsh.h
@@ -25,15 +25,15 @@ class RSHConn
    URI ServerName;
 
    // Private helper functions
-   bool ReadLine(string &Text);
+   bool ReadLine(std::string &Text);
 
    public:
 
    pid_t Process;
 
    // Raw connection IO
-   bool WriteMsg(string &Text,bool Sync,const char *Fmt,...);
-   bool Connect(string Host, string User);
+   bool WriteMsg(std::string &Text,bool Sync,const char *Fmt,...);
+   bool Connect(std::string Host, std::string User);
    bool Comp(URI Other) const {return Other.Host == ServerName.Host && Other.Port == ServerName.Port;};
 
    // Connection control
@@ -53,11 +53,11 @@ class RSHConn
 class RSHMethod : public pkgAcqMethod
 {
    virtual bool Fetch(FetchItem *Itm);
-   virtual bool Configuration(string Message);
+   virtual bool Configuration(std::string Message);
 
    RSHConn *Server;
 
-   static string FailFile;
+   static std::string FailFile;
    static int FailFd;
    static time_t FailTime;
    static void SigTerm(int);
diff --git a/test/interactive-helper/test_udevcdrom.cc b/test/interactive-helper/test_udevcdrom.cc
index dc25ab357..bbedc0ab5 100644
--- a/test/interactive-helper/test_udevcdrom.cc
+++ b/test/interactive-helper/test_udevcdrom.cc
@@ -2,12 +2,14 @@
 #include <stdio.h>
 #include <assert.h>
 
+#include <vector>
+
 int main()
 {
    pkgUdevCdromDevices c;
    assert(c.Dlopen());
 
-   vector<CdromDevice> l;
+   std::vector<CdromDevice> l;
    l = c.Scan();
    assert(l.empty() == false);
    for (size_t i = 0; i < l.size(); ++i)
diff --git a/test/libapt/getlistoffilesindir_test.cc b/test/libapt/getlistoffilesindir_test.cc
index 5ee014cca..b2c95e840 100644
--- a/test/libapt/getlistoffilesindir_test.cc
+++ b/test/libapt/getlistoffilesindir_test.cc
@@ -7,7 +7,7 @@
 #include <stdio.h>
 #include <iostream>
 
-#define P(x)	string(argv[1]).append("/").append(x)
+#define P(x)	std::string(argv[1]).append("/").append(x)
 
 int main(int argc,char *argv[])
 {
diff --git a/test/libapt/hashsums_test.cc b/test/libapt/hashsums_test.cc
index 2cb71cc38..396e4cf6b 100644
--- a/test/libapt/hashsums_test.cc
+++ b/test/libapt/hashsums_test.cc
@@ -146,7 +146,7 @@ int main(int argc, char** argv)
    equals(sha2.VerifyFile(argv[1]), true);
    }
    {
-   HashString sha2("SHA256:"+string(argv[4]));
+   HashString sha2("SHA256:" + std::string(argv[4]));
    equals(sha2.VerifyFile(argv[1]), true);
    }
 
diff --git a/test/libapt/parsedepends_test.cc b/test/libapt/parsedepends_test.cc
index 7b496878d..b5d92d9d2 100644
--- a/test/libapt/parsedepends_test.cc
+++ b/test/libapt/parsedepends_test.cc
@@ -4,8 +4,8 @@
 #include "assert.h"
 
 int main(int argc,char *argv[]) {
-	string Package;
-	string Version;
+	std::string Package;
+	std::string Version;
 	unsigned int Op = 5;
 	unsigned int Null = 0;
 	bool StripMultiArch = true;
diff --git a/test/libapt/strutil_test.cc b/test/libapt/strutil_test.cc
index af6eb2cc6..bfe0d7222 100644
--- a/test/libapt/strutil_test.cc
+++ b/test/libapt/strutil_test.cc
@@ -4,7 +4,7 @@
 
 int main(int argc,char *argv[])
 {
-   string input, output, expected;
+   std::string input, output, expected;
 
    // no input
    input = "foobar";