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Annotation of 43BSDReno/lib/libc/string/memcmp.3, revision 1.1

1.1     ! root        1: .\" Copyright (c) 1990 The Regents of the University of California.
        !             2: .\" All rights reserved.
        !             3: .\"
        !             4: .\" This code is derived from software contributed to Berkeley by
        !             5: .\" Chris Torek.
        !             6: .\"
        !             7: .\" Redistribution and use in source and binary forms are permitted provided
        !             8: .\" that: (1) source distributions retain this entire copyright notice and
        !             9: .\" comment, and (2) distributions including binaries display the following
        !            10: .\" acknowledgement:  ``This product includes software developed by the
        !            11: .\" University of California, Berkeley and its contributors'' in the
        !            12: .\" documentation or other materials provided with the distribution and in
        !            13: .\" all advertising materials mentioning features or use of this software.
        !            14: .\" Neither the name of the University nor the names of its contributors may
        !            15: .\" be used to endorse or promote products derived from this software without
        !            16: .\" specific prior written permission.
        !            17: .\" THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
        !            18: .\" WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
        !            19: .\" MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
        !            20: .\"
        !            21: .\"    @(#)memcmp.3    5.2 (Berkeley) 6/24/90
        !            22: .\"
        !            23: .TH MEMCMP 3 "June 24, 1990"
        !            24: .UC 7
        !            25: .SH NAME
        !            26: memcmp \- compare byte string
        !            27: .SH SYNOPSIS
        !            28: .nf
        !            29: .ft B
        !            30: #include <string.h>
        !            31: 
        !            32: int
        !            33: memcmp(const void *b1, const void *b2, size_t len);
        !            34: .ft R
        !            35: .fi
        !            36: .SH DESCRIPTION
        !            37: .B Memcmp
        !            38: compares byte string
        !            39: .I b1
        !            40: against byte string
        !            41: .IR b2 ,
        !            42: returning zero if they are identical,
        !            43: otherwise returning the difference between the first two differing bytes
        !            44: (treated as unsigned char values, so that '\e200' is greater than \&'\e0',
        !            45: e.g.).
        !            46: Both strings are assumed to be
        !            47: .I len
        !            48: bytes long.
        !            49: Zero-length strings are always identical.
        !            50: .SH SEE ALSO
        !            51: bcmp(3), strcasecmp(3), strcmp(3), strcoll(3), strxfrm(3)
        !            52: .SH STANDARDS
        !            53: .I Memcmp
        !            54: conforms to ANSI X3.159-1989 (``ANSI C'').

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