22 lines
429 B
C
22 lines
429 B
C
/*
|
|
* (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands.
|
|
* See the copyright notice in the ACK home directory, in the file "Copyright".
|
|
*/
|
|
/* $Header$ */
|
|
|
|
#include <string.h>
|
|
|
|
void *
|
|
memchr(const void *s, int c, register size_t n)
|
|
{
|
|
register const unsigned char *s1 = s;
|
|
unsigned char c1 = (unsigned char) c;
|
|
|
|
while (n > 0) {
|
|
n--;
|
|
if (*s1++ == c1)
|
|
return (void *) (s1 - 1);
|
|
}
|
|
return NULL;
|
|
}
|