ref: 69b5a8019cbd3df428f00665f56331ee9bdace41
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) ? (char *) s : NULL;
}