ref: eba17d80d42e07d4eb9176c66d1bbb3ee39e8d81
dir: /libc/src/strchr.c/
/* See LICENSE file for copyright and license details. */
#include <string.h>
#undef strchr
char *
strchr(const char *s, int c)
{
while (*s && *s != c)
++s;
return (*s == c) ? (char *)s : NULL;
}