source: trunk/minix/lib/ansi/memcmp.c@ 20

/*
 * (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands.
 * See the copyright notice in the ACK home directory, in the file "Copyright".
 */
/* $Id: memcmp.c,v 1.1.1.1 2005/04/21 14:56:05 beng Exp $ */

#include        <string.h>

int
memcmp(const void *s1, const void *s2, size_t n)
{
        register const unsigned char *p1 = s1, *p2 = s2;

        if (n) {
                n++;
                while (--n > 0) {
                        if (*p1++ == *p2++) continue;
                        return *--p1 - *--p2;
                }
        }
        return 0;
}