ref: a4c6501c1838127d508608bf11f5d2b5013723ac
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;
}