1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* Copyright (c) 1984 AT&T */ 23 /* All Rights Reserved */ 24 25 #pragma ident "%Z%%M% %I% %E% SMI" /* from S5R2 1.1 */ 26 27 /*LINTLIBRARY*/ 28 /* 29 * Compare n bytes: s1>s2: >0 s1==s2: 0 s1<s2: <0 30 */ 31 int 32 memcmp(s1, s2, n) 33 register char *s1, *s2; 34 register int n; 35 { 36 int diff; 37 38 if (s1 != s2) 39 while (--n >= 0) 40 if (diff = *s1++ - *s2++) 41 return (diff); 42 return (0); 43 } 44