/*- * Copyright (c) 1990, 1993 * The Regents of the University of California. All rights reserved. * * This code is derived from software contributed to Berkeley by * Chris Torek. * * %sccs.include.redist.c% */ #if defined(LIBC_SCCS) && !defined(lint) static char sccsid[] = "@(#)memcmp.c 8.1 (Berkeley) 06/04/93"; #endif /* LIBC_SCCS and not lint */ #include #include /* * Compare memory regions. */ int memcmp(s1, s2, n) const void *s1, *s2; size_t n; { if (n != 0) { register const unsigned char *p1 = s1, *p2 = s2; do { if (*p1++ != *p2++) return (*--p1 - *--p2); } while (--n != 0); } return (0); }