contrib/cvs-1.12/lib/strcase.h

   1 /* Case-insensitive string comparison functions.
   2    Copyright (C) 1995-1996, 2001, 2003, 2005 Free Software Foundation, Inc.
   3
   4    This program is free software; you can redistribute it and/or modify
   5    it under the terms of the GNU General Public License as published by
   6    the Free Software Foundation; either version 2, or (at your option)
   7    any later version.
   8
   9    This program 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
  12    GNU General Public License for more details.
  13
  14    You should have received a copy of the GNU General Public License
  15    along with this program; if not, write to the Free Software Foundation,
  16    Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
  17
  18 #ifndef _STRCASE_H
  19 #define _STRCASE_H
  20
  21 #include <stddef.h>
  22
  23
  24 #ifdef __cplusplus
  25 extern "C" {
  26 #endif
  27
  28
  29 /* Compare strings S1 and S2, ignoring case, returning less than, equal to or
  30    greater than zero if S1 is lexicographically less than, equal to or greater
  31    than S2.
  32    Note: This function may, in multibyte locales, return 0 for strings of
  33    different lengths!  */
  34 extern int strcasecmp (const char *s1, const char *s2);
  35
  36 /* Compare no more than N characters of strings S1 and S2, ignoring case,
  37    returning less than, equal to or greater than zero if S1 is
  38    lexicographically less than, equal to or greater than S2.
  39    Note: This function can not work correctly in multibyte locales.  */
  40 extern int strncasecmp (const char *s1, const char *s2, size_t n);
  41
  42
  43 #ifdef __cplusplus
  44 }
  45 #endif
  46
  47
  48 #endif /* _STRCASE_H */