1*2fe8fb19SBen Gras.\" Copyright (c) 1990, 1991, 1993 2*2fe8fb19SBen Gras.\" The Regents of the University of California. All rights reserved. 3*2fe8fb19SBen Gras.\" 4*2fe8fb19SBen Gras.\" This code is derived from software contributed to Berkeley by 5*2fe8fb19SBen Gras.\" Chris Torek and the American National Standards Committee X3, 6*2fe8fb19SBen Gras.\" on Information Processing Systems. 7*2fe8fb19SBen Gras.\" 8*2fe8fb19SBen Gras.\" Redistribution and use in source and binary forms, with or without 9*2fe8fb19SBen Gras.\" modification, are permitted provided that the following conditions 10*2fe8fb19SBen Gras.\" are met: 11*2fe8fb19SBen Gras.\" 1. Redistributions of source code must retain the above copyright 12*2fe8fb19SBen Gras.\" notice, this list of conditions and the following disclaimer. 13*2fe8fb19SBen Gras.\" 2. Redistributions in binary form must reproduce the above copyright 14*2fe8fb19SBen Gras.\" notice, this list of conditions and the following disclaimer in the 15*2fe8fb19SBen Gras.\" documentation and/or other materials provided with the distribution. 16*2fe8fb19SBen Gras.\" 3. Neither the name of the University nor the names of its contributors 17*2fe8fb19SBen Gras.\" may be used to endorse or promote products derived from this software 18*2fe8fb19SBen Gras.\" without specific prior written permission. 19*2fe8fb19SBen Gras.\" 20*2fe8fb19SBen Gras.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 21*2fe8fb19SBen Gras.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22*2fe8fb19SBen Gras.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23*2fe8fb19SBen Gras.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 24*2fe8fb19SBen Gras.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25*2fe8fb19SBen Gras.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26*2fe8fb19SBen Gras.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27*2fe8fb19SBen Gras.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28*2fe8fb19SBen Gras.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29*2fe8fb19SBen Gras.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30*2fe8fb19SBen Gras.\" SUCH DAMAGE. 31*2fe8fb19SBen Gras.\" 32*2fe8fb19SBen Gras.\" from: @(#)memcpy.3 8.1 (Berkeley) 6/4/93 33*2fe8fb19SBen Gras.\" $NetBSD: memcpy.3,v 1.13 2003/09/08 17:54:33 wiz Exp $ 34*2fe8fb19SBen Gras.\" 35*2fe8fb19SBen Gras.Dd June 4, 1993 36*2fe8fb19SBen Gras.Dt MEMCPY 3 37*2fe8fb19SBen Gras.Os 38*2fe8fb19SBen Gras.Sh NAME 39*2fe8fb19SBen Gras.Nm memcpy 40*2fe8fb19SBen Gras.Nd copy byte string 41*2fe8fb19SBen Gras.Sh LIBRARY 42*2fe8fb19SBen Gras.Lb libc 43*2fe8fb19SBen Gras.Sh SYNOPSIS 44*2fe8fb19SBen Gras.In string.h 45*2fe8fb19SBen Gras.Ft void * 46*2fe8fb19SBen Gras.Fn memcpy "void * restrict dst" "const void * restrict src" "size_t len" 47*2fe8fb19SBen Gras.Sh DESCRIPTION 48*2fe8fb19SBen GrasThe 49*2fe8fb19SBen Gras.Fn memcpy 50*2fe8fb19SBen Grasfunction 51*2fe8fb19SBen Grascopies 52*2fe8fb19SBen Gras.Fa len 53*2fe8fb19SBen Grasbytes from string 54*2fe8fb19SBen Gras.Fa src 55*2fe8fb19SBen Grasto string 56*2fe8fb19SBen Gras.Fa dst . 57*2fe8fb19SBen GrasThe arguments must not overlap -- behavior if the arguments overlap is 58*2fe8fb19SBen Grasundefined. 59*2fe8fb19SBen GrasTo copy byte strings that overlap, use 60*2fe8fb19SBen Gras.Xr memmove 3 . 61*2fe8fb19SBen Gras.Sh RETURN VALUES 62*2fe8fb19SBen GrasThe 63*2fe8fb19SBen Gras.Fn memcpy 64*2fe8fb19SBen Grasfunction 65*2fe8fb19SBen Grasreturns the original value of 66*2fe8fb19SBen Gras.Fa dst . 67*2fe8fb19SBen Gras.Sh SEE ALSO 68*2fe8fb19SBen Gras.Xr bcopy 3 , 69*2fe8fb19SBen Gras.Xr memccpy 3 , 70*2fe8fb19SBen Gras.Xr memmove 3 , 71*2fe8fb19SBen Gras.Xr strcpy 3 72*2fe8fb19SBen Gras.Sh STANDARDS 73*2fe8fb19SBen GrasThe 74*2fe8fb19SBen Gras.Fn memcpy 75*2fe8fb19SBen Grasfunction 76*2fe8fb19SBen Grasconforms to 77*2fe8fb19SBen Gras.St -isoC-99 . 78