string/strings.h

   1 /* Copyright (C) 1991, 1992, 1996, 1997 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 Library General Public License as
   6    published by the Free Software Foundation; either version 2 of the
   7    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    Library General Public License for more details.
  13
  14    You should have received a copy of the GNU Library General Public
  15    License along with the GNU C Library; see the file COPYING.LIB.  If not,
  16    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  17    Boston, MA 02111-1307, USA.  */
  18
  19 #ifndef _STRINGS_H
  20 #define _STRINGS_H      1
  21
  22 #include <features.h>
  23 #define __need_size_t
  24 #include <stddef.h>
  25
  26 __BEGIN_DECLS
  27
  28 /* Compare N bytes of S1 and S2 (same as memcmp).  */
  29 extern int bcmp __P ((__const __ptr_t __s1, __const __ptr_t __s2, size_t __n));
  30
  31 /* Copy N bytes of SRC to DEST (like memmove, but args reversed).  */
  32 extern void bcopy __P ((__const __ptr_t __src, __ptr_t __dest, size_t __n));
  33
  34 /* Set N bytes of S to 0.  */
  35 extern void bzero __P ((__ptr_t __s, size_t __n));
  36
  37 /* Return the position of the first bit set in I, or 0 if none are set.
  38    The least-significant bit is position 1, the most-significant 32.  */
  39 extern int ffs __P ((int __i));
  40
  41 /* Find the first occurrence of C in S (same as strchr).  */
  42 extern char *index __P ((__const char *__s, int __c));
  43
  44 /* Find the last occurrence of C in S (same as strrchr).  */
  45 extern char *rindex __P ((__const char *__s, int __c));
  46
  47 /* Compare S1 and S2, ignoring case.  */
  48 extern int strcasecmp __P ((__const char *__s1, __const char *__s2));
  49
  50 /* Compare no more than N chars of S1 and S2, ignoring case.  */
  51 extern int strncasecmp __P ((__const char *__s1, __const char *__s2,
  52                              size_t __n));
  53
  54 __END_DECLS
  55
  56 #endif  /* strings.h  */