ref: e3b66dff7ca05a7ca74497a0275d1adaab88de8f
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;
}