/* * memcmp --- compare strings. * * We use our own routine since it has to act like strcmp() for return * value, and the BSD manual says bcmp() only returns zero/non-zero. */intmemcmp (s1, s2, l)register char *s1, *s2;register int l;{	for (; l-- > 0; s1++, s2++) {		if (*s1 != *s2)			return (*s1 - *s2);	}	return (0);}