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- /* Copyright (C) 1991, 1992, 1993 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Library General Public License as
- published by the Free Software Foundation; either version 2 of the
- License, or (at your option) any later version.
-
- The GNU C Library 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
- Library General Public License for more details.
-
- You should have received a copy of the GNU Library General Public
- License along with the GNU C Library; see the file COPYING.LIB. If
- not, write to the, 1992 Free Software Foundation, Inc., 675 Mass Ave,
- Cambridge, MA 02139, USA. */
-
- /*
- * ANSI Standard: 4.11 STRING HANDLING <string.h>
- */
-
- #ifndef _STRING_H
-
- #define _STRING_H 1
- #include <features.h>
-
- __BEGIN_DECLS
-
- /* Get size_t and NULL from <stddef.h>. */
- #define __need_size_t
- #define __need_NULL
- #include <stddef.h>
-
-
- /* Copy N bytes of SRC to DEST. */
- extern __ptr_t memcpy __P ((__ptr_t __dest, __const __ptr_t __src,
- 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));
-
- /* 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));
- #if defined (__USE_SVID) || defined (__USE_BSD)
- extern __ptr_t memccpy __P ((__ptr_t __dest, __const __ptr_t __src,
- int __c, size_t __n));
- #ifdef __OPTIMIZE__
- #define memccpy(dest, src, c, n) __memccpy((dest), (src), (c), (n))
- #endif /* Optimizing. */
- #endif /* SVID. */
-
-
- /* 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));
-
- /* Search N bytes of S for C. */
- extern __ptr_t memchr __P ((__const __ptr_t __s, int __c, size_t __n));
-
-
- /* Copy SRC to DEST. */
- extern char *strcpy __P ((char *__dest, __const char *__src));
- /* Copy no more than N characters of SRC to DEST. */
- extern char *strncpy __P ((char *__dest, __const char *__src, size_t __n));
-
- /* Append SRC onto DEST. */
- extern char *strcat __P ((char *__dest, __const char *__src));
- /* Append no more than N characters from SRC onto DEST. */
- extern char *strncat __P ((char *__dest, __const char *__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));
-
- /* Compare the collated forms of S1 and S2. */
- extern int strcoll __P ((__const char *__s1, __const char *__s2));
- /* Put a transformation of SRC into no more than N bytes of DEST. */
- extern size_t strxfrm __P ((char *__dest, __const char *__src, size_t __n));
-
- #if defined (__USE_SVID) || defined (__USE_BSD)
- /* Duplicate S, returning an identical malloc'd string. */
- extern char *strdup __P ((__const char *__s));
- #endif
-
- /* 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));
-
- /* 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));
- /* Find the first occurence in S of any character in ACCEPT. */
- extern char *strpbrk __P ((__const char *__s, __const char *__accept));
- /* Find the first occurence 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 *__s, __const char *__delim));
-
- #ifdef __USE_GNU
- /* Find the first occurence of NEEDLE in HAYSTACK.
- NEEDLE is NEEDLELEN bytes long;
- HAYSTACK is HAYSTACKLEN bytes long. */
- extern __ptr_t memmem __P ((__const __ptr_t __haystack, size_t __haystacklen,
- __const __ptr_t __needle, size_t __needlelen));
- #endif
-
- /* Return the length of S. */
- extern size_t strlen __P ((__const char *__s));
-
- /* Return a string describing the meaning of the errno code in ERRNUM. */
- extern char *strerror __P ((int __errnum));
-
- #ifdef __USE_BSD
- /* Find the first occurrence of C in S (same as strchr). */
- extern char *index __P ((__const char *__s, int __c));
-
- /* Find the last occurrence of C in S (same as strrchr). */
- extern char *rindex __P ((__const char *__s, int __c));
-
- /* 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));
-
- /* Set N bytes of S to 0. */
- extern void bzero __P ((__ptr_t __s, size_t __n));
-
- /* Compare N bytes of S1 and S2 (same as memcmp). */
- extern int bcmp __P ((__const __ptr_t __s1, __const __ptr_t __s2, size_t __n));
-
- /* 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));
-
- /* Compare S1 and S2, ignoring case. */
- extern int strcasecmp __P ((__const char *__s1, __const char *__s2));
-
- /* 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 **__stringp, __const char *__delim));
- #endif
-
- /* Copy no more than N characters of SRC to DEST, returning the address of
- the last character written into DEST. */
- extern char *__stpncpy __P ((char *__dest, __const char *__src, size_t __n));
-
- #ifdef __USE_GNU
- /* 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));
-
- /* Return a string describing the meaning of the signal number in SIG. */
- extern char *strsignal __P ((int __sig));
-
- /* Copy SRC to DEST, returning the address of the terminating '\0' in DEST. */
- extern char *stpcpy __P ((char *__dest, __const char *__src));
-
- /* Copy no more than N characters of SRC to DEST, returning the address of
- the last character written into DEST. */
- extern char *stpncpy __P ((char *__dest, __const char *__src, size_t __n));
-
- #ifdef __OPTIMIZE__
- #define stpncpy(dest, src, n) __stpncpy ((dest), (src), (n))
- #endif
-
- /* Sautee STRING briskly. */
- extern char *strfry __P ((char *__string));
-
- /* Frobnicate N bytes of S. */
- extern __ptr_t memfrob __P ((__ptr_t __s, size_t __n));
- #endif
-
- __END_DECLS
-
- #endif /* string.h */
-