1.\" $OpenBSD: memccpy.3,v 1.10 2011/07/25 00:38:52 schwarze Exp $ 2.\" 3.\" Copyright (c) 1990, 1991, 1993 4.\" The Regents of the University of California. All rights reserved. 5.\" 6.\" Redistribution and use in source and binary forms, with or without 7.\" modification, are permitted provided that the following conditions 8.\" are met: 9.\" 1. Redistributions of source code must retain the above copyright 10.\" notice, this list of conditions and the following disclaimer. 11.\" 2. Redistributions in binary form must reproduce the above copyright 12.\" notice, this list of conditions and the following disclaimer in the 13.\" documentation and/or other materials provided with the distribution. 14.\" 3. Neither the name of the University nor the names of its contributors 15.\" may be used to endorse or promote products derived from this software 16.\" without specific prior written permission. 17.\" 18.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 19.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 22.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28.\" SUCH DAMAGE. 29.\" 30.\" @(#)memccpy.3 8.1 (Berkeley) 6/9/93 31.\" 32.Dd $Mdocdate: July 25 2011 $ 33.Dt MEMCCPY 3 34.Os 35.Sh NAME 36.Nm memccpy 37.Nd copy string until character found 38.Sh SYNOPSIS 39.Fd #include <string.h> 40.Ft void * 41.Fn memccpy "void *dst" "const void *src" "int c" "size_t len" 42.Sh DESCRIPTION 43The 44.Fn memccpy 45function copies bytes from string 46.Fa src 47to string 48.Fa dst . 49If the character 50.Fa c 51(as converted to an 52.Li unsigned char ) 53occurs in the string 54.Fa src , 55the copy stops and a pointer to the byte after the copy of 56.Fa c 57in the string 58.Fa dst 59is returned. 60Otherwise, 61.Fa len 62bytes are copied, and a null pointer is returned. 63.Sh SEE ALSO 64.Xr bcopy 3 , 65.Xr memcpy 3 , 66.Xr memmove 3 , 67.Xr strcpy 3 , 68.Xr strlcpy 3 69.Sh HISTORY 70The 71.Fn memccpy 72function first appeared in 73.At V 74and was reimplemented for 75.Bx 4.3 Tahoe . 76