FreeNOS
strcasecmp.cpp
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1 /*
2  * Copyright (C) 2009 Coen Bijlsma
3  *
4  * This program is free software: you can redistribute it and/or modify
5  * it under the terms of the GNU General Public License as published by
6  * the Free Software Foundation, either version 3 of the License, or
7  * (at your option) any later version.
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program. If not, see <http://www.gnu.org/licenses/>.
16  */
17 
18 #include "string.h"
19 #include <ctype.h>
20 
21 int strcasecmp(const char *dest, const char *src )
22 {
23  while ( *dest && *src && (tolower((int)*dest) == tolower((int)*src)) )
24  {
25  dest++;
26  src++;
27  }
28  return (tolower((int)*dest) - tolower((int)*src));
29 }
string.h
tolower
#define tolower(c)
Converts the letter c to lowercase.
Definition: ctype.h:99
ctype.h
strcasecmp
int strcasecmp(const char *dest, const char *src)
Compare two strings, ignoring case considerations.
Definition: strcasecmp.cpp:21