release/src-rt-6.x.4708/toolchains/hndtools-arm-linux-2.6.36-uclibc-4.5.3/arm-brcm-linux-uclibcgnueabi/sysroot/usr/include/strings.h

   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
  26 /* keep this file in sync w/ string.h, the glibc version is out of date */
  27
  28 #if !defined _STRING_H || !defined __USE_BSD
  29
  30 # include <features.h>
  31 # define __need_size_t
  32 # include <stddef.h>
  33
  34 __BEGIN_DECLS
  35
  36 # ifdef __UCLIBC_SUSV3_LEGACY__
  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)
  39      __THROW __nonnull ((1, 2));
  40
  41 /* Set N bytes of S to 0.  */
  42 extern void bzero (void *__s, size_t __n) __THROW __nonnull ((1));
  43
  44 /* Compare N bytes of S1 and S2 (same as memcmp).  */
  45 extern int bcmp (__const void *__s1, __const void *__s2, size_t __n)
  46      __THROW __attribute_pure__ __nonnull ((1, 2));
  47
  48 /* Find the first occurrence of C in S (same as strchr).  */
  49 extern char *index (__const char *__s, int __c)
  50      __THROW __attribute_pure__ __nonnull ((1));
  51
  52 /* Find the last occurrence of C in S (same as strrchr).  */
  53 extern char *rindex (__const char *__s, int __c)
  54      __THROW __attribute_pure__ __nonnull ((1));
  55 # else
  56 #  ifdef __UCLIBC_SUSV3_LEGACY_MACROS__
  57 /* bcopy/bzero/bcmp/index/rindex are marked LEGACY in SuSv3.
  58  * They are replaced as proposed by SuSv3. Don't sync this part
  59  * with glibc and keep it in sync with string.h.  */
  60
  61 #  define bcopy(src,dest,n) (memmove((dest), (src), (n)), (void) 0)
  62 #  define bzero(s,n) (memset((s), '\0', (n)), (void) 0)
  63 #  define bcmp(s1,s2,n) memcmp((s1), (s2), (size_t)(n))
  64 #  define index(s,c) strchr((s), (c))
  65 #  define rindex(s,c) strrchr((s), (c))
  66 #  endif
  67 # endif
  68
  69 /* Return the position of the first bit set in I, or 0 if none are set.
  70    The least-significant bit is position 1, the most-significant 32.  */
  71 extern int ffs (int __i) __THROW __attribute__ ((__const__));
  72
  73 /* The following two functions are non-standard but necessary for non-32 bit
  74    platforms.  */
  75 #if 0 /*def     __USE_GNU*/
  76 extern int ffsl (long int __l) __THROW __attribute__ ((__const__));
  77 #  ifdef __GNUC__
  78 __extension__ extern int ffsll (long long int __ll)
  79      __THROW __attribute__ ((__const__));
  80 #  endif
  81 # endif
  82
  83 /* Compare S1 and S2, ignoring case.  */
  84 extern int strcasecmp (__const char *__s1, __const char *__s2)
  85      __THROW __attribute_pure__ __nonnull ((1, 2));
  86
  87 /* Compare no more than N chars of S1 and S2, ignoring case.  */
  88 extern int strncasecmp (__const char *__s1, __const char *__s2, size_t __n)
  89      __THROW __attribute_pure__ __nonnull ((1, 2));
  90
  91 __END_DECLS
  92
  93
  94
  95
  96 #endif  /* string.h  */
  97
  98 #endif  /* strings.h  */