1*53ee8cc1Swenshuai.xi /* Copyright (C) 1991,92,96,97,99,2000,2001 Free Software Foundation, Inc. 2*53ee8cc1Swenshuai.xi This file is part of the GNU C Library. 3*53ee8cc1Swenshuai.xi 4*53ee8cc1Swenshuai.xi The GNU C Library is free software; you can redistribute it and/or 5*53ee8cc1Swenshuai.xi modify it under the terms of the GNU Lesser General Public 6*53ee8cc1Swenshuai.xi License as published by the Free Software Foundation; either 7*53ee8cc1Swenshuai.xi version 2.1 of the License, or (at your option) any later version. 8*53ee8cc1Swenshuai.xi 9*53ee8cc1Swenshuai.xi The GNU C Library is distributed in the hope that it will be useful, 10*53ee8cc1Swenshuai.xi but WITHOUT ANY WARRANTY; without even the implied warranty of 11*53ee8cc1Swenshuai.xi MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12*53ee8cc1Swenshuai.xi Lesser General Public License for more details. 13*53ee8cc1Swenshuai.xi 14*53ee8cc1Swenshuai.xi You should have received a copy of the GNU Lesser General Public 15*53ee8cc1Swenshuai.xi License along with the GNU C Library; if not, write to the Free 16*53ee8cc1Swenshuai.xi Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 17*53ee8cc1Swenshuai.xi 02111-1307 USA. */ 18*53ee8cc1Swenshuai.xi 19*53ee8cc1Swenshuai.xi #ifndef _STRINGS_H 20*53ee8cc1Swenshuai.xi #define _STRINGS_H 1 21*53ee8cc1Swenshuai.xi 22*53ee8cc1Swenshuai.xi /* We don't need and should not read this file if <string.h> was already 23*53ee8cc1Swenshuai.xi read. The one exception being that if __USE_BSD isn't defined, then 24*53ee8cc1Swenshuai.xi these aren't defined in string.h, so we need to define them here. */ 25*53ee8cc1Swenshuai.xi #if !defined _STRING_H || !defined __USE_BSD 26*53ee8cc1Swenshuai.xi 27*53ee8cc1Swenshuai.xi # include <features.h> 28*53ee8cc1Swenshuai.xi # define __need_size_t 29*53ee8cc1Swenshuai.xi # include <stddef.h> 30*53ee8cc1Swenshuai.xi 31*53ee8cc1Swenshuai.xi __BEGIN_DECLS 32*53ee8cc1Swenshuai.xi 33*53ee8cc1Swenshuai.xi /* Compare N bytes of S1 and S2 (same as memcmp). */ 34*53ee8cc1Swenshuai.xi extern int bcmp (__const void *__s1, __const void *__s2, size_t __n) 35*53ee8cc1Swenshuai.xi __THROW __attribute_pure__; 36*53ee8cc1Swenshuai.xi 37*53ee8cc1Swenshuai.xi /* Copy N bytes of SRC to DEST (like memmove, but args reversed). */ 38*53ee8cc1Swenshuai.xi extern void bcopy (__const void *__src, void *__dest, size_t __n) __THROW; 39*53ee8cc1Swenshuai.xi 40*53ee8cc1Swenshuai.xi /* Set N bytes of S to 0. */ 41*53ee8cc1Swenshuai.xi extern void bzero (void *__s, size_t __n) __THROW; 42*53ee8cc1Swenshuai.xi 43*53ee8cc1Swenshuai.xi /* Return the position of the first bit set in I, or 0 if none are set. 44*53ee8cc1Swenshuai.xi The least-significant bit is position 1, the most-significant 32. */ 45*53ee8cc1Swenshuai.xi extern int ffs (int __i) __THROW __attribute__ ((const)); 46*53ee8cc1Swenshuai.xi 47*53ee8cc1Swenshuai.xi /* Find the first occurrence of C in S (same as strchr). */ 48*53ee8cc1Swenshuai.xi extern char *index (__const char *__s, int __c) __THROW __attribute_pure__; 49*53ee8cc1Swenshuai.xi 50*53ee8cc1Swenshuai.xi /* Find the last occurrence of C in S (same as strrchr). */ 51*53ee8cc1Swenshuai.xi extern char *rindex (__const char *__s, int __c) __THROW __attribute_pure__; 52*53ee8cc1Swenshuai.xi 53*53ee8cc1Swenshuai.xi /* Compare S1 and S2, ignoring case. */ 54*53ee8cc1Swenshuai.xi extern int strcasecmp (__const char *__s1, __const char *__s2) 55*53ee8cc1Swenshuai.xi __THROW __attribute_pure__; 56*53ee8cc1Swenshuai.xi 57*53ee8cc1Swenshuai.xi /* Compare no more than N chars of S1 and S2, ignoring case. */ 58*53ee8cc1Swenshuai.xi extern int strncasecmp (__const char *__s1, __const char *__s2, size_t __n) 59*53ee8cc1Swenshuai.xi __THROW __attribute_pure__; 60*53ee8cc1Swenshuai.xi 61*53ee8cc1Swenshuai.xi __END_DECLS 62*53ee8cc1Swenshuai.xi 63*53ee8cc1Swenshuai.xi #endif /* string.h */ 64*53ee8cc1Swenshuai.xi 65*53ee8cc1Swenshuai.xi #endif /* strings.h */ 66