| 1 | /* Copyright (C) 1991,92,96,97,99,2000,2001 Free Software Foundation, Inc. |
|---|
| 2 | This file is part of the GNU C Library. |
|---|
| 3 | |
|---|
| 4 | The GNU C Library is free software; you can redistribute it and/or |
|---|
| 5 | modify it under the terms of the GNU Lesser General Public |
|---|
| 6 | License as published by the Free Software Foundation; either |
|---|
| 7 | version 2.1 of the License, or (at your option) any later version. |
|---|
| 8 | |
|---|
| 9 | The GNU C Library is distributed in the hope that it will be useful, |
|---|
| 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
|---|
| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
|---|
| 12 | Lesser General Public License for more details. |
|---|
| 13 | |
|---|
| 14 | You should have received a copy of the GNU Lesser General Public |
|---|
| 15 | License along with the GNU C Library; if not, write to the Free |
|---|
| 16 | Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
|---|
| 17 | 02111-1307 USA. */ |
|---|
| 18 | |
|---|
| 19 | #ifndef _STRINGS_H |
|---|
| 20 | #define _STRINGS_H 1 |
|---|
| 21 | |
|---|
| 22 | /* We don't need and should not read this file if <string.h> was already |
|---|
| 23 | read. The one exception being that if __USE_BSD isn't defined, then |
|---|
| 24 | these aren't defined in string.h, so we need to define them here. */ |
|---|
| 25 | #if !defined _STRING_H || !defined __USE_BSD |
|---|
| 26 | |
|---|
| 27 | # include <features.h> |
|---|
| 28 | # define __need_size_t |
|---|
| 29 | # include <stddef.h> |
|---|
| 30 | |
|---|
| 31 | __BEGIN_DECLS |
|---|
| 32 | |
|---|
| 33 | /* Compare N bytes of S1 and S2 (same as memcmp). */ |
|---|
| 34 | extern int bcmp (__const void *__s1, __const void *__s2, size_t __n) |
|---|
| 35 | __THROW __attribute_pure__; |
|---|
| 36 | |
|---|
| 37 | /* Copy N bytes of SRC to DEST (like memmove, but args reversed). */ |
|---|
| 38 | extern void bcopy (__const void *__src, void *__dest, size_t __n) __THROW; |
|---|
| 39 | |
|---|
| 40 | /* Set N bytes of S to 0. */ |
|---|
| 41 | extern void bzero (void *__s, size_t __n) __THROW; |
|---|
| 42 | |
|---|
| 43 | /* Return the position of the first bit set in I, or 0 if none are set. |
|---|
| 44 | The least-significant bit is position 1, the most-significant 32. */ |
|---|
| 45 | extern int ffs (int __i) __THROW __attribute__ ((const)); |
|---|
| 46 | |
|---|
| 47 | /* Find the first occurrence of C in S (same as strchr). */ |
|---|
| 48 | extern char *index (__const char *__s, int __c) __THROW __attribute_pure__; |
|---|
| 49 | |
|---|
| 50 | /* Find the last occurrence of C in S (same as strrchr). */ |
|---|
| 51 | extern char *rindex (__const char *__s, int __c) __THROW __attribute_pure__; |
|---|
| 52 | |
|---|
| 53 | /* Compare S1 and S2, ignoring case. */ |
|---|
| 54 | extern int strcasecmp (__const char *__s1, __const char *__s2) |
|---|
| 55 | __THROW __attribute_pure__; |
|---|
| 56 | |
|---|
| 57 | /* Compare no more than N chars of S1 and S2, ignoring case. */ |
|---|
| 58 | extern int strncasecmp (__const char *__s1, __const char *__s2, size_t __n) |
|---|
| 59 | __THROW __attribute_pure__; |
|---|
| 60 | |
|---|
| 61 | __END_DECLS |
|---|
| 62 | |
|---|
| 63 | #endif /* string.h */ |
|---|
| 64 | |
|---|
| 65 | #endif /* strings.h */ |
|---|
