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Annotation of kernel/machdep/ppc/libc/memcmp.c, revision 1.1.1.1

1.1       root        1: /*
                      2:  * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
                      3:  *
                      4:  * @APPLE_LICENSE_HEADER_START@
                      5:  * 
                      6:  * Portions Copyright (c) 1999 Apple Computer, Inc.  All Rights
                      7:  * Reserved.  This file contains Original Code and/or Modifications of
                      8:  * Original Code as defined in and that are subject to the Apple Public
                      9:  * Source License Version 1.1 (the "License").  You may not use this file
                     10:  * except in compliance with the License.  Please obtain a copy of the
                     11:  * License at http://www.apple.com/publicsource and read it before using
                     12:  * this file.
                     13:  * 
                     14:  * The Original Code and all software distributed under the License are
                     15:  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
                     16:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
                     17:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
                     18:  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
                     19:  * License for the specific language governing rights and limitations
                     20:  * under the License.
                     21:  * 
                     22:  * @APPLE_LICENSE_HEADER_END@
                     23:  */
                     24: 
                     25: /* Copyright (c) 1997 Apple Computer, Inc.  All rights reserved.
                     26:  *
                     27:  *      File:   machdep/ppc/libc/memchr.c
                     28:  *
                     29:  *      This file contains code for block compares
                     30:  *
                     31:  * HISTORY
                     32:  */
                     33: 
                     34: int
                     35: memcmp(s1, s2, n)
                     36:        register char *s1, *s2;
                     37:        register n;
                     38: {
                     39:        while (--n >= 0)
                     40:                if (*s1++ != *s2++)
                     41:                        return (*--s1 - *--s2);
                     42:        return (0);
                     43: }

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