FreeNOS
strchr.cpp
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1 /*
2  * Copyright (C) 2009 Niek Linnenbank
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 
20 char * strchr(const char *s, int c)
21 {
22  while (*s && *s != c)
23  {
24  s++;
25  }
26  return (char *) (*s ? s : NULL);
27 }
string.h
NULL
#define NULL
NULL means zero.
Definition: Macros.h:39
strchr
char * strchr(const char *s, int c)
String scanning operation.
Definition: strchr.cpp:20