2 * Copyright (C) 2001 Thomas Roessler <roessler@does-not-exist.org>
4 * This program is free software; you can redistribute it
5 * and/or modify it under the terms of the GNU General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later
10 * This program is distributed in the hope that it will be
11 * useful, but WITHOUT ANY WARRANTY; without even the implied
12 * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
13 * PURPOSE. See the GNU General Public License for more
16 * You should have received a copy of the GNU General Public
17 * License along with this program; if not, write to the Free
18 * Software Foundation, Inc., 59 Temple Place - Suite 330,
19 * Boston, MA 02111, USA.
25 * Versions of the string comparison functions which are
33 int ascii_isupper (int c)
35 return (c >= 'A') && (c <= 'Z');
38 int ascii_islower (int c)
40 return (c >= 'a') && (c <= 'z');
43 int ascii_toupper (int c)
45 if (ascii_islower (c))
51 int ascii_tolower (int c)
53 if (ascii_isupper (c))
59 int ascii_strcasecmp (const char *a, const char *b)
70 for (; *a || *b; a++, b++)
72 if ((i = ascii_tolower (*a) - ascii_tolower (*b)))
79 int ascii_strncasecmp (const char *a, const char *b, int n)
90 for (j = 0; (*a || *b) && j < n; a++, b++, j++)
92 if ((i = ascii_tolower (*a) - ascii_tolower (*b)))