/* Case-insensitive string comparison functions in C locale.
- Copyright (C) 1995-1996, 2001, 2003, 2005, 2009-2010 Free Software
+ Copyright (C) 1995-1996, 2001, 2003, 2005, 2009-2012 Free Software
Foundation, Inc.
This program is free software; you can redistribute it and/or modify
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software Foundation,
- Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
+ along with this program; if not, see <http://www.gnu.org/licenses/>. */
#ifndef C_STRCASE_H
#define C_STRCASE_H
/* Compare strings S1 and S2, ignoring case, returning less than, equal to or
greater than zero if S1 is lexicographically less than, equal to or greater
than S2. */
-extern int c_strcasecmp (const char *s1, const char *s2);
+extern int c_strcasecmp (const char *s1, const char *s2) _GL_ATTRIBUTE_PURE;
/* Compare no more than N characters of strings S1 and S2, ignoring case,
returning less than, equal to or greater than zero if S1 is
lexicographically less than, equal to or greater than S2. */
-extern int c_strncasecmp (const char *s1, const char *s2, size_t n);
+extern int c_strncasecmp (const char *s1, const char *s2, size_t n)
+ _GL_ATTRIBUTE_PURE;
#ifdef __cplusplus