ref: c7bfc2a9a69e9ac1953704608df3121081ef72db
dir: /libc/src/strchr.c/
/* See LICENSE file for copyright and license details. */
#include <string.h>
char *
strchr(const char *s, int c)
{
while (*s && *s != c)
++s;
return (*s == c) ? (char *)s : NULL;
}