12fe8fb19SBen Gras.\" Copyright (c) 1990, 1991, 1993 22fe8fb19SBen Gras.\" The Regents of the University of California. All rights reserved. 32fe8fb19SBen Gras.\" 42fe8fb19SBen Gras.\" This code is derived from software contributed to Berkeley by 52fe8fb19SBen Gras.\" Chris Torek. 62fe8fb19SBen Gras.\" Redistribution and use in source and binary forms, with or without 72fe8fb19SBen Gras.\" modification, are permitted provided that the following conditions 82fe8fb19SBen Gras.\" are met: 92fe8fb19SBen Gras.\" 1. Redistributions of source code must retain the above copyright 102fe8fb19SBen Gras.\" notice, this list of conditions and the following disclaimer. 112fe8fb19SBen Gras.\" 2. Redistributions in binary form must reproduce the above copyright 122fe8fb19SBen Gras.\" notice, this list of conditions and the following disclaimer in the 132fe8fb19SBen Gras.\" documentation and/or other materials provided with the distribution. 142fe8fb19SBen Gras.\" 3. Neither the name of the University nor the names of its contributors 152fe8fb19SBen Gras.\" may be used to endorse or promote products derived from this software 162fe8fb19SBen Gras.\" without specific prior written permission. 172fe8fb19SBen Gras.\" 182fe8fb19SBen Gras.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 192fe8fb19SBen Gras.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 202fe8fb19SBen Gras.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 212fe8fb19SBen Gras.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 222fe8fb19SBen Gras.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 232fe8fb19SBen Gras.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 242fe8fb19SBen Gras.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 252fe8fb19SBen Gras.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 262fe8fb19SBen Gras.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 272fe8fb19SBen Gras.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 282fe8fb19SBen Gras.\" SUCH DAMAGE. 292fe8fb19SBen Gras.\" 302fe8fb19SBen Gras.\" from: @(#)bcmp.3 8.1 (Berkeley) 6/4/93 31*f14fb602SLionel Sambuc.\" $NetBSD: bcmp.3,v 1.14 2012/05/05 21:24:19 dholland Exp $ 322fe8fb19SBen Gras.\" 33*f14fb602SLionel Sambuc.Dd May 5, 2012 342fe8fb19SBen Gras.Dt BCMP 3 352fe8fb19SBen Gras.Os 362fe8fb19SBen Gras.Sh NAME 372fe8fb19SBen Gras.Nm bcmp 382fe8fb19SBen Gras.Nd compare byte string 392fe8fb19SBen Gras.Sh LIBRARY 402fe8fb19SBen Gras.Lb libc 412fe8fb19SBen Gras.Sh SYNOPSIS 422fe8fb19SBen Gras.In strings.h 432fe8fb19SBen Gras.Ft int 442fe8fb19SBen Gras.Fn bcmp "const void *b1" "const void *b2" "size_t len" 452fe8fb19SBen Gras.Sh DESCRIPTION 462fe8fb19SBen GrasThe 472fe8fb19SBen Gras.Fn bcmp 482fe8fb19SBen Grasfunction 492fe8fb19SBen Grascompares byte string 502fe8fb19SBen Gras.Fa b1 512fe8fb19SBen Grasagainst byte string 522fe8fb19SBen Gras.Fa b2 , 532fe8fb19SBen Grasreturning zero if they are identical, non-zero otherwise. 542fe8fb19SBen GrasBoth strings are assumed to be 552fe8fb19SBen Gras.Fa len 562fe8fb19SBen Grasbytes long. 572fe8fb19SBen GrasZero-length strings are always identical. 582fe8fb19SBen Gras.Pp 592fe8fb19SBen GrasThe strings may overlap. 60*f14fb602SLionel Sambuc.Pp 61*f14fb602SLionel SambucThis function is obsolete. 62*f14fb602SLionel SambucThe equivalent function 63*f14fb602SLionel Sambuc.Xr memcmp 3 64*f14fb602SLionel Sambucshould be used instead. 652fe8fb19SBen Gras.Sh SEE ALSO 662fe8fb19SBen Gras.Xr memcmp 3 , 672fe8fb19SBen Gras.Xr strcasecmp 3 , 682fe8fb19SBen Gras.Xr strcmp 3 , 692fe8fb19SBen Gras.Xr strcoll 3 , 702fe8fb19SBen Gras.Xr strxfrm 3 712fe8fb19SBen Gras.Sh STANDARDS 722fe8fb19SBen GrasThe 732fe8fb19SBen Gras.Fn bcmp 742fe8fb19SBen Grasfunction conforms to 752fe8fb19SBen Gras.St -p1003.1-2001 . 762fe8fb19SBen GrasThe 772fe8fb19SBen Gras.St -p1003.1-2004 782fe8fb19SBen Grasrevision marked it as legacy and recommended the use of 792fe8fb19SBen Gras.Xr memcmp 3 802fe8fb19SBen Grasinstead. 812fe8fb19SBen GrasThe 822fe8fb19SBen Gras.St -p1003.1-2008 832fe8fb19SBen Grasrevision removed 842fe8fb19SBen Gras.Fn bcmp 852fe8fb19SBen Grasfrom the specification. 862fe8fb19SBen Gras.Sh HISTORY 872fe8fb19SBen GrasA 882fe8fb19SBen Gras.Fn bcmp 892fe8fb19SBen Grasfunction first appeared in 902fe8fb19SBen Gras.Bx 4.2 . 91