xref: /freebsd-src/contrib/diff/lib/strcase.h (revision 18fd37a72c3a7549d2d4f6c6ea00bdcd2bdaca01)
1*18fd37a7SXin LI /* Case-insensitive string comparison functions.
2*18fd37a7SXin LI    Copyright (C) 1995-1996, 2001, 2003 Free Software Foundation, Inc.
3*18fd37a7SXin LI 
4*18fd37a7SXin LI    This program is free software; you can redistribute it and/or modify
5*18fd37a7SXin LI    it under the terms of the GNU General Public License as published by
6*18fd37a7SXin LI    the Free Software Foundation; either version 2, or (at your option)
7*18fd37a7SXin LI    any later version.
8*18fd37a7SXin LI 
9*18fd37a7SXin LI    This program is distributed in the hope that it will be useful,
10*18fd37a7SXin LI    but WITHOUT ANY WARRANTY; without even the implied warranty of
11*18fd37a7SXin LI    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12*18fd37a7SXin LI    GNU General Public License for more details.
13*18fd37a7SXin LI 
14*18fd37a7SXin LI    You should have received a copy of the GNU General Public License
15*18fd37a7SXin LI    along with this program; if not, write to the Free Software Foundation,
16*18fd37a7SXin LI    Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
17*18fd37a7SXin LI 
18*18fd37a7SXin LI #ifndef _STRCASE_H
19*18fd37a7SXin LI #define _STRCASE_H
20*18fd37a7SXin LI 
21*18fd37a7SXin LI #include <stddef.h>
22*18fd37a7SXin LI 
23*18fd37a7SXin LI /* Compare strings S1 and S2, ignoring case, returning less than, equal to or
24*18fd37a7SXin LI    greater than zero if S1 is lexicographically less than, equal to or greater
25*18fd37a7SXin LI    than S2.
26*18fd37a7SXin LI    Note: This function does not work correctly in multibyte locales.  */
27*18fd37a7SXin LI extern int strcasecmp (const char *s1, const char *s2);
28*18fd37a7SXin LI 
29*18fd37a7SXin LI /* Compare no more than N characters of strings S1 and S2, ignoring case,
30*18fd37a7SXin LI    returning less than, equal to or greater than zero if S1 is
31*18fd37a7SXin LI    lexicographically less than, equal to or greater than S2.
32*18fd37a7SXin LI    Note: This function can not work correctly in multibyte locales.  */
33*18fd37a7SXin LI extern int strncasecmp (const char *s1, const char *s2, size_t n);
34*18fd37a7SXin LI 
35*18fd37a7SXin LI #endif /* _STRCASE_H */
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