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Diffstat (limited to 'string/string.h')
| -rw-r--r-- | string/string.h | 186 |
1 files changed, 186 insertions, 0 deletions
diff --git a/string/string.h b/string/string.h new file mode 100644 index 0000000000..905d727f18 --- /dev/null +++ b/string/string.h @@ -0,0 +1,186 @@ +/* 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 */ |