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/* 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
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/* keep this file in sync w/ string.h, the glibc version is out of date */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>
/* 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
/* 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));
#endif /* string.h */
#endif /* strings.h */