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#ifndef _STRING_H
#include <sys/types.h>
extern void *__memccpy (void *__dest, __const void *__src,
int __c, size_t __n);
extern size_t __strnlen (__const char *__string, size_t __maxlen)
__attribute_pure__;
extern char *__strsep (char **__stringp, __const char *__delim);
extern int __strverscmp (__const char *__s1, __const char *__s2)
__attribute_pure__;
extern int __strncasecmp (__const char *__s1, __const char *__s2,
size_t __n)
__attribute_pure__;
extern int __strcasecmp (__const char *__s1, __const char *__s2)
__attribute_pure__;
extern char *__strcasestr (__const char *__haystack, __const char *__needle)
__attribute_pure__;
extern char *__strdup (__const char *__string)
__attribute_malloc__;
extern char *__strndup (__const char *__string, size_t __n)
__attribute_malloc__;
extern void *__rawmemchr (__const void *__s, int __c)
__attribute_pure__;
extern char *__strchrnul (__const char *__s, int __c)
__attribute_pure__;
extern void *__memrchr (__const void *__s, int __c, size_t __n)
__attribute_pure__;
extern void *__memchr (__const void *__s, int __c, size_t __n)
__attribute_pure__;
extern int __ffs (int __i) __attribute__ ((const));
extern char *__strerror_r (int __errnum, char *__buf, size_t __buflen);
/* Now the real definitions. We do this here since some of the functions
above are defined as macros in the headers. */
#include <string/string.h>
/* Alternative version which doesn't pollute glibc's namespace. */
#undef strndupa
#define strndupa(s, n) \
(__extension__ \
({ \
__const char *__old = (s); \
size_t __len = __strnlen (__old, (n)); \
char *__new = (char *) __builtin_alloca (__len + 1); \
__new[__len] = '\0'; \
(char *) memcpy (__new, __old, __len); \
}))
#endif
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