/* * (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands. * See the copyright notice in the ACK home directory, in the file "Copyright". */ /* $Header: /cvsup/minix/src/lib/ansi/memchr.c,v 1.1.1.1 2005/04/21 14:56:05 beng Exp $ */ #include void * memchr(const void *s, register int c, register size_t n) { register const unsigned char *s1 = s; c = (unsigned char) c; if (n) { n++; while (--n > 0) { if (*s1++ != c) continue; return (void *) --s1; } } return NULL; }