/* Copyright (c) 1993
 *      Juergen Weigert (jnweiger@immd4.informatik.uni-erlangen.de)
 *      Michael Schroeder (mlschroe@immd4.informatik.uni-erlangen.de)
 * Copyright (c) 1987 Oliver Laumann
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2, or (at your option)
 * any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program (see the file COPYING); if not, write to the
 * Free Software Foundation, Inc.,
 * 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA
 *
 ****************************************************************
 * $Id: extern.h,v 1.18 1994/05/31 12:31:57 mlschroe Exp $ FAU
 */

#if !defined(__GNUC__) || __GNUC__ < 2
#undef __attribute__
#define __attribute__(x)
#endif

/* screen.c */
extern int   main __P((int, char **));
extern sigret_t SigHup __P(SIGPROTOARG);
extern void  eexit __P((int));
extern void  Detach __P((int));
extern void  Kill __P((int, int));
#ifdef USEVARARGS
extern void  Msg __P((int, char *, ...)) __attribute__((format(printf, 2, 3)));
extern void  Panic __P((int, char *, ...)) __attribute__((format(printf, 2, 3)));
#else
extern void  Msg __P(());
extern void  Panic __P(());
#endif
extern void  DisplaySleep __P((int));
extern void  Finit __P((int));
extern void  MakeNewEnv __P((void));
extern char *MakeWinMsg __P((char *, struct win *, int));
extern char *MakeWinMsgEv __P((char *, struct win *, int, struct event *));
extern void  WindowDied __P((struct win *));

/* ansi.c */
extern void  ResetAnsiState __P((struct win *));
extern void  ResetWindow __P((struct win *));
extern void  ResetCharsets __P((struct win *));
extern void  WriteString __P((struct win *, char *, int));
extern void  NewAutoFlow __P((struct win *, int));
extern void  WBell __P((struct win *, int));
extern void  ChangeAKA __P((struct win *, char *, int));
extern void  SetCharsets __P((struct win *, char *));
extern int   GetAnsiStatus __P((struct win *, char *));
extern void  WMsg __P((struct win *, int, char *));
extern void  WChangeSize __P((struct win *, int, int));
extern void  WindowChanged __P((struct win *, int));
extern int   MFindUsedLine __P((struct win *, int, int));

/* fileio.c */
extern void  StartRc __P((char *));
extern void  FinishRc __P((char *));
extern void  RcLine __P((char *));
extern FILE *secfopen __P((char *, char *));
extern int   secopen __P((char *, int, int));
extern void  WriteFile __P((int));
extern char *ReadFile __P((char *, int *));
extern void  KillBuffers __P((void));
extern int   printpipe __P((struct win *, char *));

/* tty.c */
extern int   OpenTTY __P((char *, char *));
extern void  InitTTY __P((struct mode *, int));
extern void  GetTTY __P((int, struct mode *));
extern void  SetTTY __P((int, struct mode *));
extern void  SetMode __P((struct mode *, struct mode *, int, int));
extern void  SetFlow __P((int));
extern void  SendBreak __P((struct win *, int, int));
extern int   TtyGrabConsole __P((int, int, char *));
extern char *TtyGetModemStatus __P((int, char *));
#ifdef DEBUG
extern void  DebugTTY __P((struct mode *));
#endif /* DEBUG */
extern int   fgtty __P((int));
extern void  brktty __P((int));
extern struct baud_values *lookup_baud __P((int bps));
extern int   SetBaud __P((struct mode *, int, int));
extern int   SttyMode __P((struct mode *, char *));


/* mark.c */
extern int   GetHistory __P((void));
extern void  MarkRoutine __P((void));
extern void  revto_line __P((int, int, int));
extern void  revto __P((int, int));
extern int   InMark __P((void));
extern void  MakePaster __P((struct paster *, char *, int, int));
extern void  FreePaster __P((struct paster *));

/* search.c */
extern void  Search __P((int));
extern void  ISearch __P((int));

/* input.c */
extern void  inp_setprompt __P((char *, char *));
extern void  Input __P((char *, int, int, void (*)(char *, int, char *), char *));
extern int   InInput __P((void));

/* help.c */
extern void  exit_with_usage __P((char *, char *, char *));
extern void  display_help __P((void));
extern void  display_copyright __P((void));
extern void  display_displays __P((void));
extern void  display_bindkey __P((char *, struct action *));

/* window.c */
extern int   MakeWindow __P((struct NewWindow *));
extern int   RemakeWindow __P((struct win *));
extern void  FreeWindow __P((struct win *));
#ifdef PSEUDOS
extern int   winexec __P((char **));
extern void  FreePseudowin __P((struct win *));
#endif
extern void  nwin_compose __P((struct NewWindow *, struct NewWindow *, struct NewWindow *));
extern int   DoStartLog __P((struct win *, char *, int));
extern int   ReleaseAutoWritelock __P((struct display *, struct win *));
extern int   ObtainAutoWritelock __P((struct display *, struct win *));
extern void  CloseDevice __P((struct win *));
extern void  paste_rethink __P((struct win *));


/* utmp.c */
#ifdef UTMPOK
extern void  InitUtmp __P((void));
extern void  RemoveLoginSlot __P((void));
extern void  RestoreLoginSlot __P((void));
extern int   SetUtmp __P((struct win *));
extern int   RemoveUtmp __P((struct win *));
#endif /* UTMPOK */
extern void  SlotToggle __P((int));
#ifdef USRLIMIT
extern int   CountUsers __P((void));
#endif
#ifdef CAREFULUTMP
extern void   CarefulUtmp __P((void));
#else
# define CarefulUtmp()  /* nothing */
#endif /* CAREFULUTMP */


/* loadav.c */
#ifdef LOADAV
extern void  InitLoadav __P((void));
extern void  AddLoadav __P((char *));
#endif

/* pty.c */
extern int   OpenPTY __P((char **));
extern void  InitPTY __P((int));

/* process.c */
extern void  InitKeytab __P((void));
extern void  ProcessInput __P((char *, int));
#ifdef MAPKEYS
extern void  ProcessInput2 __P((char *, int));
#endif
extern void  DoProcess __P((struct win *, char **, int *, struct paster *));
extern void  DoAction  __P((struct action *, int));
extern int   FindCommnr __P((char *));
extern void  DoCommand __P((char **));
extern void  Activate __P((int));
extern void  KillWindow __P((struct win *));
extern void  SetForeWindow __P((struct win *));
extern int   Parse __P((char *, char **));
extern int   ParseEscape __P((struct user *, char *));
extern void  DoScreen __P((char *, char **));
extern int   IsNumColon __P((char *, int, char *, int));
extern void  ShowWindows __P((int));
extern char *AddWindows __P((char *, int, int, int));
extern char *AddOtherUsers __P((char *, int, struct win *));
extern int   WindowByNoN __P((char *));
extern struct win *FindNiceWindow __P((struct win *, char *));
#ifdef COPY_PASTE
extern int   CompileKeys __P((char *, unsigned char *));
#endif

/* termcap.c */
extern int   InitTermcap __P((int, int));
extern char *MakeTermcap __P((int));
extern char *gettermcapstring __P((char *));
#ifdef MAPKEYS
extern int   remap __P((int, int));
extern void  CheckEscape __P((void));
#endif
extern int   CreateTransTable __P((char *));
extern void  FreeTransTable __P((void));

/* attacher.c */
extern int   Attach __P((int));
extern void  Attacher __P((void));
extern sigret_t AttacherFinit __P(SIGPROTOARG);

/* display.c */
extern struct display *MakeDisplay __P((char *, char *, char *, int, int, struct mode *));
extern void  FreeDisplay __P((void));
extern void  DefProcess __P((char **, int *));
extern void  DefRedisplayLine __P((int, int, int, int));
extern void  DefClearLine __P((int, int, int));
extern int   DefRewrite __P((int, int, int, struct mchar *, int));
extern int   DefResize __P((int, int));
extern void  DefRestore __P((void));
extern void  PutStr __P((char *));
extern void  CPutStr __P((char *, int));
extern void  InitTerm __P((int));
extern void  FinitTerm __P((void));
extern void  PUTCHAR __P((int));
extern void  PUTCHARLP __P((int));
extern void  ClearDisplay __P((void));
extern void  Clear __P((int, int, int, int, int, int, int));
extern void  Redisplay __P((int));
extern void  RedisplayDisplays __P((int));
extern void  RefreshArea __P((int, int, int, int, int));
extern void  RefreshLine __P((int, int, int, int));
extern void  ShowHStatus __P((char *));
extern void  RefreshHStatus __P((void));
extern void  DisplayLine __P((struct mline *, struct mline *, int, int, int));
extern void  GotoPos __P((int, int));
extern int   CalcCost __P((char *));
extern void  ScrollH __P((int, int, int, int, struct mline *));
extern void  ScrollV __P((int, int, int, int, int));
extern void  InsChar __P((struct mchar *, int, int, int, struct mline *));
extern void  WrapChar __P((struct mchar *, int, int, int, int, int, int, int));
extern void  ChangeScrollRegion __P((int, int));
extern void  InsertMode __P((int));
extern void  KeypadMode __P((int));
extern void  CursorkeysMode __P((int));
extern void  ReverseVideo __P((int));
extern void  CursorVisibility __P((int));
extern void  SetFont __P((int));
extern void  SetAttr __P((int));
extern void  SetColor __P((int));
extern void  SetRendition __P((struct mchar *));
extern void  SetRenditionMline __P((struct mline *, int));
extern void  MakeStatus __P((char *));
extern void  RemoveStatus __P((void));
extern int   ResizeDisplay __P((int, int));
extern void  AddStr __P((char *));
extern void  AddStrn __P((char *, int));
extern void  Flush __P((void));
extern void  freetty __P((void));
extern void  Resize_obuf __P((void));
#ifdef AUTO_NUKE
extern void  NukePending __P((void));
#endif
#ifdef KANJI
extern int   badkanji __P((char *, int));
#endif
extern void  SetCanvasWindow __P((struct canvas *, struct win *));
extern int   MakeDefaultCanvas __P((void));
extern int   AddCanvas __P((void));
extern void  RemCanvas __P((void));
extern void  OneCanvas __P((void));
extern int   RethinkDisplayViewports __P((void));
extern void  RethinkViewportOffsets __P((struct canvas *));

/* resize.c */
extern int   ChangeWindowSize __P((struct win *, int, int, int));
extern void  ChangeScreenSize __P((int, int, int));
extern void  CheckScreenSize __P((int));
extern void  DoResize __P((int, int));
extern char *xrealloc __P((char *, int));
extern void  ResizeLayersToCanvases __P((void));
extern void  ResizeLayer __P((struct layer *, int, int, struct display *));
extern int   MayResizeLayer __P((struct layer *));

/* sched.c */
extern void  evenq __P((struct event *));
extern void  evdeq __P((struct event *));
extern void  SetTimeout __P((struct event *, int));
extern void  sched __P((void));

/* socket.c */
extern int   FindSocket __P((int *, int *, int *, char *));
extern int   MakeClientSocket __P((int));
extern int   MakeServerSocket __P((void));
extern int   RecoverSocket __P((void));
extern int   chsock __P((void));
extern void  ReceiveMsg __P((void));
extern void  SendCreateMsg __P((char *, struct NewWindow *));
extern int   SendErrorMsg __P((char *, char *));

/* misc.c */
extern char *SaveStr __P((const char *));
extern char *InStr __P((char *, const char *));
#ifndef HAVE_STRERROR
extern char *strerror __P((int));
#endif
extern void  centerline __P((char *, int));
extern void  leftline __P((char *, int));
extern char *Filename __P((char *));
extern char *stripdev __P((char *));
#ifdef NEED_OWN_BCOPY
extern void  xbcopy __P((char *, char *, int));
#endif
extern void  bclear __P((char *, int));
extern void  closeallfiles __P((int));
extern int   UserContext __P((void));
extern void  UserReturn __P((int));
extern int   UserStatus __P((void));
#if defined(POSIX) || defined(hpux)
extern void (*xsignal __P((int, void (*)SIGPROTOARG))) __P(SIGPROTOARG);
#endif
#ifndef HAVE_RENAME
extern int   rename __P((char *, char *));
#endif
#if defined(HAVE_SETEUID) || defined(HAVE_SETREUID)
extern void  xseteuid  __P((int));
extern void  xsetegid  __P((int));
#endif
extern int   AddXChar __P((char *, int));
extern int   AddXChars __P((char *, int, char *));
extern void  xsetenv  __P((char *, char *));
extern char *expand_vars __P((char *, struct display *));
extern void  sleep1000 __P((int));
#ifdef DEBUG
extern void  opendebug __P((int, int));
#endif
#ifdef USEVARARGS
# ifndef HAVE_VSNPRINTF
extern int   xvsnprintf __P((char *, int, char *, va_list));
# endif
#else
extern int   xsnprintf __P(());
#endif


/* acl.c */
#ifdef MULTIUSER
extern int   AclInit __P((char *));
extern int   AclSetPass __P((char *, char *));
extern int   AclDelUser __P((char *));
extern int   AclCheckPermWin __P((struct user *, int, struct win *));
extern int   AclCheckPermCmd __P((struct user *, int, struct comm *));
extern int   AclSetPerm __P((struct user *, struct user *, char *, char *));
extern int   AclUmask __P((struct user *, char *, char **));
extern int   UsersAcl __P((struct user *, int, char **));
extern void  AclWinSwap __P((int, int));
extern int   NewWindowAcl __P((struct win *, struct user *));
extern void  FreeWindowAcl __P((struct win *));
extern char *DoSu __P((struct user **, char *, char *, char *));
extern int   AclLinkUser __P((char *, char *));
#endif /* MULTIUSER */
extern int   UserFreeCopyBuffer __P((struct user *));
extern struct user **FindUserPtr __P((char *));
extern int   UserAdd __P((char *, char *, struct user **));
extern int   UserDel __P((char *, struct user **));





extern void  InitBraille __P((void));
extern void  RefreshBraille __P((void));
extern void  DoBrailleAction __P((struct action *, int));
extern void  BGotoPos __P((struct layer *, int, int));
extern void  BPutChar __P((struct layer *, struct mchar *, int, int));
extern void  BPutStr __P((struct layer *, char *, int, struct mchar *, int, int));
extern void  BCDisplayLine __P((struct layer *, struct mline *, int, int, int, int));


extern int   ParseSaveStr __P((struct action *act, char **));
extern int   ParseNum __P((struct action *act, int *));
extern int   ParseSwitch __P((struct action *, int *));


/* layer.c */
extern void  LGotoPos __P((struct layer *, int, int));
extern void  LPutChar __P((struct layer *, struct mchar *, int, int));
extern void  LInsChar __P((struct layer *, struct mchar *, int, int, struct mline *));
extern void  LPutStr __P((struct layer *, char *, int, struct mchar *, int, int));
extern void  LScrollH __P((struct layer *, int, int, int, int, struct mline *));
extern void  LScrollV __P((struct layer *, int, int, int));
extern void  LClear __P((struct layer *, int, int, int, int, int));
extern void  LClearLine __P((struct layer *, int, int, int, struct mline *));
extern void  LCDisplayLine __P((struct layer *, struct mline *, int, int, int, int));
extern void  LSetRendition __P((struct layer *, struct mchar *));
extern void  LWrapChar  __P((struct layer *, struct mchar *, int, int, int, int));
extern void  LCursorVisibility __P((struct layer *, int));
extern void  LSetFlow __P((struct layer *, int));
extern void  LKeypadMode __P((struct layer *, int));
extern void  LCursorkeysMode __P((struct layer *, int));

#ifdef USEVARARGS
extern void  LMsg __P((int, char *, ...)) __attribute__((format(printf, 2, 3)));
#else
extern void  LMsg __P(());
#endif
extern void  ClearLayer __P((struct layer *, int));
extern void  RedisplayLayer __P((struct layer *, int));
extern void  KillLayerChain __P((struct layer *));
extern int   InitOverlayPage __P((int, struct LayFuncs *, int));
extern void  ExitOverlayPage __P((void));

/* teln.c */
extern int   TelOpen __P((char **));
extern int   TelConnect __P((struct win *));
extern int   TelIsline __P((struct win *p));
extern void  TelProcessLine __P((char **, int *));
extern int   DoTelnet __P((char *, int *, int));
extern int   TelIn __P((struct win *, char *, int, int));
extern void  TelBreak __P((struct win *));
extern void  TelWindowSize __P((struct win *));
extern void  TelStatus __P((struct win *, char *, int));

/* nethack.c */
extern char *DoNLS __P((char *));