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#ifndef __STRING_H
#define __STRING_H
#include <features.h>
#include <sys/types.h>
#include <stddef.h>
/* Basic string functions */
/* Return the length of S. */
extern size_t strlen __P ((__const char *__s));
/* Append SRC onto DEST. */
extern char *strcat __P ((char *__restrict __dest,
__const char *__restrict __src));
/* Append no more than N characters from SRC onto DEST. */
extern char *strncat __P ((char *__restrict __dest,
__const char *__restrict __src, size_t __n));
/* Copy SRC to DEST. */
extern char *strcpy __P ((char *__restrict __dest,
__const char *__restrict __src));
/* Copy no more than N characters of SRC to DEST. */
extern char *strncpy __P ((char *__restrict __dest,
__const char *__restrict __src, size_t __n));
/* Compare S1 and S2. */
extern int strcmp __P ((__const char *__s1, __const char *__s2));
/* Compare N characters of S1 and S2. */
extern int strncmp __P ((__const char *__s1, __const char *__s2, size_t __n));
/* Find the first occurrence of C in S. */
extern char *strchr __P ((__const char *__s, int __c));
/* Find the last occurrence of C in S. */
extern char *strrchr __P ((__const char *__s, int __c));
/* Duplicate S, returning an identical malloc'd string. */
extern char *strdup __P ((__const char *__s));
/* Basic mem functions */
/* Copy N bytes of SRC to DEST. */
extern __ptr_t memcpy __P ((__ptr_t __restrict __dest,
__const __ptr_t __restrict __src, size_t __n));
/* Copy no more than N bytes of SRC to DEST, stopping when C is found.
Return the position in DEST one byte past where C was copied,
or NULL if C was not found in the first N bytes of SRC. */
extern __ptr_t memccpy __P ((__ptr_t __dest, __const __ptr_t __src,
int __c, size_t __n));
/* Search N bytes of S for C. */
extern __ptr_t memchr __P ((__const __ptr_t __s, int __c, size_t __n));
/* Set N bytes of S to C. */
extern __ptr_t memset __P ((__ptr_t __s, int __c, size_t __n));
/* Compare N bytes of S1 and S2. */
extern int memcmp __P ((__const __ptr_t __s1, __const __ptr_t __s2,
size_t __n));
/* Copy N bytes of SRC to DEST, guaranteeing
correct behavior for overlapping strings. */
extern __ptr_t memmove __P ((__ptr_t __dest, __const __ptr_t __src,
size_t __n));
/* Minimal (very!) locale support */
extern int strcoll __P ((__const char *__s1, __const char *__s2));
extern size_t strxfrm __P ((char *__restrict __dest,
__const char *__restrict __src, size_t __n));
/* BSDisms */
extern char *index __P ((__const char *__s, int __c));
extern char *rindex __P ((__const char *__s, int __c));
/* Return the position of the first bit set in I, or 0 if none are set.
The least-significant bit is position 1, the most-significant 32. */
extern int ffs __P ((int __i)) __attribute__ ((const));
/* Other common BSD functions */
/* Set N bytes of S to 0. */
extern void bzero __P ((__ptr_t __s, size_t __n));
/* Copy N bytes of SRC to DEST (like memmove, but args reversed). */
extern void bcopy __P ((__const __ptr_t __src, __ptr_t __dest, size_t __n));
/* Compare S1 and S2, ignoring case. */
extern int strcasecmp __P ((__const char *__s1, __const char *__s2));
/* Compare no more than N chars of S1 and S2, ignoring case. */
extern int strncasecmp __P ((__const char *__s1, __const char *__s2,
size_t __n));
/* Find the first occurrence in S of any character in ACCEPT. */
extern char *strpbrk __P ((__const char *__s, __const char *__accept));
/* Return the next DELIM-delimited token from *STRINGP,
terminating it with a '\0', and update *STRINGP to point past it. */
extern char *strsep __P ((char **__restrict __stringp,
__const char *__restrict __delim));
/* Find the first occurrence of NEEDLE in HAYSTACK. */
extern char *strstr __P ((__const char *__haystack, __const char *__needle));
/* Divide S into tokens separated by characters in DELIM. */
extern char *strtok __P ((char *__restrict __s,
__const char *__restrict __delim));
/* Divide S into tokens separated by characters in DELIM. Information
passed between calls are stored in SAVE_PTR. */
extern char *__strtok_r __P ((char *__restrict __s,
__const char *__restrict __delim,
char **__restrict __save_ptr));
#if defined __USE_POSIX || defined __USE_MISC
extern char *strtok_r __P ((char *__restrict __s,
__const char *__restrict __delim,
char **__restrict __save_ptr));
#endif
/* Return the length of the initial segment of S which
consists entirely of characters not in REJECT. */
extern size_t strcspn __P ((__const char *__s, __const char *__reject));
/* Return the length of the initial segment of S which
consists entirely of characters in ACCEPT. */
extern size_t strspn __P ((__const char *__s, __const char *__accept));
/* Return a string describing the meaning of the signal number in SIG. */
extern char *strsignal __P ((int __sig));
/* More BSD compatabilty */
int bcmp(const void *s1, const void *s2, size_t n);
/* Linux silly hour */
char *strfry __P ((char *));
/* Find the length of STRING, but scan at most MAXLEN characters.
If no '\0' terminator is found in that many characters, return MAXLEN. */
extern size_t strnlen __P ((__const char *__string, size_t __maxlen));
/* Duplicate S, returning an identical alloca'd string. */
# define strdupa(s) \
(__extension__ \
({ \
__const char *__old = (s); \
size_t __len = strlen (__old) + 1; \
char *__new = __builtin_alloca (__len); \
(char *) memcpy (__new, __old, __len); \
}))
/* Return an alloca'd copy of at most N bytes of string. */
# define strndupa(s, n) \
(__extension__ \
({ \
__const char *__old = (s); \
size_t __len = strnlen (__old, (n)); \
char *__new = __builtin_alloca (__len + 1); \
__new[__len] = '\0'; \
(char *) memcpy (__new, __old, __len); \
}))
#endif
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