xref: /freebsd/lib/libc/string/memccpy.3 (revision 7bdf80e5714a8b59a2bfda90f367be4612df033e)
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.\" Redistribution and use in source and binary forms, with or without
558f0484fSRodney W. Grimes.\" modification, are permitted provided that the following conditions
658f0484fSRodney W. Grimes.\" are met:
758f0484fSRodney W. Grimes.\" 1. Redistributions of source code must retain the above copyright
858f0484fSRodney W. Grimes.\"    notice, this list of conditions and the following disclaimer.
958f0484fSRodney W. Grimes.\" 2. Redistributions in binary form must reproduce the above copyright
1058f0484fSRodney W. Grimes.\"    notice, this list of conditions and the following disclaimer in the
1158f0484fSRodney W. Grimes.\"    documentation and/or other materials provided with the distribution.
1258f0484fSRodney W. Grimes.\" 3. All advertising materials mentioning features or use of this software
1358f0484fSRodney W. Grimes.\"    must display the following acknowledgement:
1458f0484fSRodney W. Grimes.\"	This product includes software developed by the University of
1558f0484fSRodney W. Grimes.\"	California, Berkeley and its contributors.
1658f0484fSRodney W. Grimes.\" 4. Neither the name of the University nor the names of its contributors
1758f0484fSRodney W. Grimes.\"    may be used to endorse or promote products derived from this software
1858f0484fSRodney W. Grimes.\"    without specific prior written permission.
1958f0484fSRodney W. Grimes.\"
2058f0484fSRodney W. Grimes.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
2158f0484fSRodney W. Grimes.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
2258f0484fSRodney W. Grimes.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
2358f0484fSRodney W. Grimes.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
2458f0484fSRodney W. Grimes.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
2558f0484fSRodney W. Grimes.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
2658f0484fSRodney W. Grimes.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
2758f0484fSRodney W. Grimes.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
2858f0484fSRodney W. Grimes.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
2958f0484fSRodney W. Grimes.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
3058f0484fSRodney W. Grimes.\" SUCH DAMAGE.
3158f0484fSRodney W. Grimes.\"
3258f0484fSRodney W. Grimes.\"     @(#)memccpy.3	8.1 (Berkeley) 6/9/93
3358f0484fSRodney W. Grimes.\"
3458f0484fSRodney W. Grimes.Dd June 9, 1993
3558f0484fSRodney W. Grimes.Dt MEMCCPY 3
3658f0484fSRodney W. Grimes.Os
3758f0484fSRodney W. Grimes.Sh NAME
3858f0484fSRodney W. Grimes.Nm memccpy
3958f0484fSRodney W. Grimes.Nd copy string until character found
4058f0484fSRodney W. Grimes.Sh SYNOPSIS
4158f0484fSRodney W. Grimes.Fd #include <string.h>
4258f0484fSRodney W. Grimes.Ft void *
4358f0484fSRodney W. Grimes.Fn memccpy "void *dst" "const void *src" "int c" "size_t len"
4458f0484fSRodney W. Grimes.Sh DESCRIPTION
4558f0484fSRodney W. GrimesThe
4658f0484fSRodney W. Grimes.Fn memccpy
4758f0484fSRodney W. Grimesfunction
4858f0484fSRodney W. Grimescopies bytes from string
4958f0484fSRodney W. Grimes.Fa src
5058f0484fSRodney W. Grimesto string
5158f0484fSRodney W. Grimes.Fa dst .
5258f0484fSRodney W. GrimesIf the character
5358f0484fSRodney W. Grimes.Fa c
5458f0484fSRodney W. Grimes(as converted to an unsigned char) occurs in the string
5558f0484fSRodney W. Grimes.Fa src ,
5658f0484fSRodney W. Grimesthe copy stops and a pointer to the byte after the copy of
5758f0484fSRodney W. Grimes.Fa c
5858f0484fSRodney W. Grimesin the string
5958f0484fSRodney W. Grimes.Fa dst
6058f0484fSRodney W. Grimesis returned.
6158f0484fSRodney W. GrimesOtherwise,
6258f0484fSRodney W. Grimes.Fa len
6358f0484fSRodney W. Grimesbytes are copied, and a NULL pointer is returned.
6458f0484fSRodney W. Grimes.Sh SEE ALSO
6558f0484fSRodney W. Grimes.Xr bcopy 3 ,
6658f0484fSRodney W. Grimes.Xr memcpy 3 ,
6758f0484fSRodney W. Grimes.Xr memmove 3 ,
6858f0484fSRodney W. Grimes.Xr strcpy 3
6958f0484fSRodney W. Grimes.Sh HISTORY
7058f0484fSRodney W. GrimesThe
7158f0484fSRodney W. Grimes.Fn memccpy
727bdf80e5SMike Pritchardfunction first appeared in
737bdf80e5SMike Pritchard.Bx 4.4 .
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