/* 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
/* 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