/* Copyright (C) 1991,92,96,97,99,2000,2001 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 Lesser General Public License as published by the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ #ifndef _STRINGS_H #define _STRINGS_H 1 /* We don't need and should not read this file if <string.h> was already read. The one exception being that if __USE_BSD isn't defined, then these aren't defined in string.h, so we need to define them here. */ /* keep this file in sync w/ string.h, the glibc version is out of date */ #if !defined _STRING_H || !defined __USE_BSD # include <features.h> # define __need_size_t # include <stddef.h> __BEGIN_DECLS # ifdef __UCLIBC_SUSV3_LEGACY__ /* Copy N bytes of SRC to DEST (like memmove, but args reversed). */ extern void bcopy (__const void *__src, void *__dest, size_t __n) __THROW __nonnull ((1, 2)); /* Set N bytes of S to 0. */ extern void bzero (void *__s, size_t __n) __THROW __nonnull ((1)); /* Compare N bytes of S1 and S2 (same as memcmp). */ extern int bcmp (__const void *__s1, __const void *__s2, size_t __n) __THROW __attribute_pure__ __nonnull ((1, 2)); /* Find the first occurrence of C in S (same as strchr). */ extern char *index (__const char *__s, int __c) __THROW __attribute_pure__ __nonnull ((1)); /* Find the last occurrence of C in S (same as strrchr). */ extern char *rindex (__const char *__s, int __c) __THROW __attribute_pure__ __nonnull ((1)); # else # ifdef __UCLIBC_SUSV3_LEGACY_MACROS__ /* bcopy/bzero/bcmp/index/rindex are marked LEGACY in SuSv3. * They are replaced as proposed by SuSv3. Don't sync this part * with glibc and keep it in sync with string.h. */ # define bcopy(src,dest,n) (memmove((dest), (src), (n)), (void) 0) # define bzero(s,n) (memset((s), '\0', (n)), (void) 0) # define bcmp(s1,s2,n) memcmp((s1), (s2), (size_t)(n)) # define index(s,c) strchr((s), (c)) # define rindex(s,c) strrchr((s), (c)) # endif # endif /* 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 (int __i) __THROW __attribute__ ((__const__)); /* The following two functions are non-standard but necessary for non-32 bit platforms. */ #if 0 /*def __USE_GNU*/ extern int ffsl (long int __l) __THROW __attribute__ ((__const__)); # ifdef __GNUC__ __extension__ extern int ffsll (long long int __ll) __THROW __attribute__ ((__const__)); # endif # endif /* Compare S1 and S2, ignoring case. */ extern int strcasecmp (__const char *__s1, __const char *__s2) __THROW __attribute_pure__ __nonnull ((1, 2)); /* Compare no more than N chars of S1 and S2, ignoring case. */ extern int strncasecmp (__const char *__s1, __const char *__s2, size_t __n) __THROW __attribute_pure__ __nonnull ((1, 2)); __END_DECLS #ifdef _LIBC #error "<strings.h> should not be included from libc." #endif #endif /* string.h */ #endif /* strings.h */