/* * (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands. * See the copyright notice in the ACK home directory, in the file "Copyright". */ /* $Header: strchr.c,v 1.3 90/08/28 13:53:00 eck Exp $ */ #include <string.h> char * strchr(register const char *s, register int c) { c = (char) c; while (c != *s) { if (*s++ == '\0') return NULL; } return (char *)s; }