1: /* Case-insensitive string comparison functions in C locale.
    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 C_STRCASE_H
   19: #define C_STRCASE_H
   20: 
   21: #include <stddef.h>
   22: 
   23: 
   24: /* The functions defined in this file assume the "C" locale and a character
   25:    set without diacritics (ASCII-US or EBCDIC-US or something like that).
   26:    Even if the "C" locale on a particular system is an extension of the ASCII
   27:    character set (like on BeOS, where it is UTF-8, or on AmigaOS, where it
   28:    is ISO-8859-1), the functions in this file recognize only the ASCII
   29:    characters.  More precisely, one of the string arguments must be an ASCII
   30:    string; the other one can also contain non-ASCII characters (but then
   31:    the comparison result will be nonzero).  */
   32: 
   33: 
   34: #ifdef __cplusplus
   35: extern "C" {
   36: #endif
   37: 
   38: 
   39: /* Compare strings S1 and S2, ignoring case, returning less than, equal to or
   40:    greater than zero if S1 is lexicographically less than, equal to or greater
   41:    than S2.  */
   42: extern int c_strcasecmp (const char *s1, const char *s2);
   43: 
   44: /* Compare no more than N characters of strings S1 and S2, ignoring case,
   45:    returning less than, equal to or greater than zero if S1 is
   46:    lexicographically less than, equal to or greater than S2.  */
   47: extern int c_strncasecmp (const char *s1, const char *s2, size_t n);
   48: 
   49: 
   50: #ifdef __cplusplus
   51: }
   52: #endif
   53: 
   54: 
   55: #endif /* C_STRCASE_H */