1 /* Copyright (C) 1998 Free Software Foundation, Inc.
3 This program is free software; you can redistribute it and/or modify
4 it under the terms of the GNU General Public License as published by
5 the Free Software Foundation; either version 2, or (at your option)
8 This program is distributed in the hope that it will be useful,
9 but WITHOUT ANY WARRANTY; without even the implied warranty of
10 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 GNU General Public License for more details.
13 You should have received a copy of the GNU General Public License
14 along with this program; if not, write to the Free Software Foundation,
15 Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
21 #include <sys/types.h>
24 #define TOLOWER(Ch) (isupper (Ch) ? tolower (Ch) : (Ch))
26 /* Compare no more than N characters of strings S1 and S2,
27 ignoring case, returning less than, equal to or
28 greater than zero if S1 is lexicographically less
29 than, equal to or greater than S2. */
32 strncasecmp (const char *s1, const char *s2, size_t n)
34 register const unsigned char *p1 = (const unsigned char *) s1;
35 register const unsigned char *p2 = (const unsigned char *) s2;
38 if (p1 == p2 || n == 0)
46 if (--n == 0 || c1 == '\0')