158f0484fSRodney W. Grimes.\" Copyright (c) 1990, 1991, 1993 258f0484fSRodney W. Grimes.\" The Regents of the University of California. All rights reserved. 358f0484fSRodney W. Grimes.\" 458f0484fSRodney W. Grimes.\" This code is derived from software contributed to Berkeley by 558f0484fSRodney W. Grimes.\" Chris Torek. 658f0484fSRodney W. Grimes.\" Redistribution and use in source and binary forms, with or without 758f0484fSRodney W. Grimes.\" modification, are permitted provided that the following conditions 858f0484fSRodney W. Grimes.\" are met: 958f0484fSRodney W. Grimes.\" 1. Redistributions of source code must retain the above copyright 1058f0484fSRodney W. Grimes.\" notice, this list of conditions and the following disclaimer. 1158f0484fSRodney W. Grimes.\" 2. Redistributions in binary form must reproduce the above copyright 1258f0484fSRodney W. Grimes.\" notice, this list of conditions and the following disclaimer in the 1358f0484fSRodney W. Grimes.\" documentation and/or other materials provided with the distribution. 1458f0484fSRodney W. Grimes.\" 3. All advertising materials mentioning features or use of this software 1558f0484fSRodney W. Grimes.\" must display the following acknowledgement: 1658f0484fSRodney W. Grimes.\" This product includes software developed by the University of 1758f0484fSRodney W. Grimes.\" California, Berkeley and its contributors. 1858f0484fSRodney W. Grimes.\" 4. Neither the name of the University nor the names of its contributors 1958f0484fSRodney W. Grimes.\" may be used to endorse or promote products derived from this software 2058f0484fSRodney W. Grimes.\" without specific prior written permission. 2158f0484fSRodney W. Grimes.\" 2258f0484fSRodney W. Grimes.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 2358f0484fSRodney W. Grimes.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 2458f0484fSRodney W. Grimes.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2558f0484fSRodney W. Grimes.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 2658f0484fSRodney W. Grimes.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2758f0484fSRodney W. Grimes.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2858f0484fSRodney W. Grimes.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2958f0484fSRodney W. Grimes.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 3058f0484fSRodney W. Grimes.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 3158f0484fSRodney W. Grimes.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 3258f0484fSRodney W. Grimes.\" SUCH DAMAGE. 3358f0484fSRodney W. Grimes.\" 3458f0484fSRodney W. Grimes.\" @(#)bcmp.3 8.1 (Berkeley) 6/4/93 357f3dea24SPeter Wemm.\" $FreeBSD$ 3658f0484fSRodney W. Grimes.\" 3758f0484fSRodney W. Grimes.Dd June 4, 1993 3858f0484fSRodney W. Grimes.Dt BCMP 3 3958f0484fSRodney W. Grimes.Os BSD 4.2 4058f0484fSRodney W. Grimes.Sh NAME 4158f0484fSRodney W. Grimes.Nm bcmp 4258f0484fSRodney W. Grimes.Nd compare byte string 4358f0484fSRodney W. Grimes.Sh SYNOPSIS 4458f0484fSRodney W. Grimes.Fd #include <string.h> 4558f0484fSRodney W. Grimes.Ft int 4658f0484fSRodney W. Grimes.Fn bcmp "const void *b1" "const void *b2" "size_t len" 4758f0484fSRodney W. Grimes.Sh DESCRIPTION 4858f0484fSRodney W. GrimesThe 4958f0484fSRodney W. Grimes.Fn bcmp 5058f0484fSRodney W. Grimesfunction 5158f0484fSRodney W. Grimescompares byte string 5258f0484fSRodney W. Grimes.Fa b1 5358f0484fSRodney W. Grimesagainst byte string 5458f0484fSRodney W. Grimes.Fa b2 , 5558f0484fSRodney W. Grimesreturning zero if they are identical, non-zero otherwise. 5658f0484fSRodney W. GrimesBoth strings are assumed to be 5758f0484fSRodney W. Grimes.Fa len 5858f0484fSRodney W. Grimesbytes long. 5958f0484fSRodney W. GrimesZero-length strings are always identical. 6058f0484fSRodney W. Grimes.Pp 6158f0484fSRodney W. GrimesThe strings may overlap. 6258f0484fSRodney W. Grimes.Sh SEE ALSO 6358f0484fSRodney W. Grimes.Xr bcmp 3 , 6458f0484fSRodney W. Grimes.Xr memcmp 3 , 6558f0484fSRodney W. Grimes.Xr strcasecmp 3 , 6658f0484fSRodney W. Grimes.Xr strcmp 3 , 6758f0484fSRodney W. Grimes.Xr strcoll 3 , 6858f0484fSRodney W. Grimes.Xr strxfrm 3 6958f0484fSRodney W. Grimes.Sh HISTORY 7058f0484fSRodney W. GrimesA 7158f0484fSRodney W. Grimes.Fn bcmp 7258f0484fSRodney W. Grimesfunction first appeared in 7358f0484fSRodney W. Grimes.Bx 4.2 . 74