]> git.saurik.com Git - apple/libc.git/blame - string/memset.3
Libc-763.11.tar.gz
[apple/libc.git] / string / memset.3
CommitLineData
224c7076 1.\" Copyright (c) 1990, 1991, 1993
e9ce8d39
A
2.\" The Regents of the University of California. All rights reserved.
3.\"
224c7076
A
4.\" This code is derived from software contributed to Berkeley by
5.\" Chris Torek and the American National Standards Committee X3,
6.\" on Information Processing Systems.
7.\"
e9ce8d39
A
8.\" Redistribution and use in source and binary forms, with or without
9.\" modification, are permitted provided that the following conditions
10.\" are met:
11.\" 1. Redistributions of source code must retain the above copyright
12.\" notice, this list of conditions and the following disclaimer.
13.\" 2. Redistributions in binary form must reproduce the above copyright
14.\" notice, this list of conditions and the following disclaimer in the
15.\" documentation and/or other materials provided with the distribution.
e9ce8d39
A
16.\" 4. Neither the name of the University nor the names of its contributors
17.\" may be used to endorse or promote products derived from this software
18.\" without specific prior written permission.
19.\"
20.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30.\" SUCH DAMAGE.
31.\"
224c7076 32.\" @(#)memset.3 8.1 (Berkeley) 6/4/93
1f2f436a 33.\" $FreeBSD: src/lib/libc/string/memset.3,v 1.9 2009/04/07 13:42:53 trasz Exp $
e9ce8d39 34.\"
5b2abdfb 35.Dd June 4, 1993
224c7076 36.Dt MEMSET 3
e9ce8d39
A
37.Os
38.Sh NAME
224c7076 39.Nm memset
34e8f829 40.Nd fill a byte string with a byte value
e9ce8d39
A
41.Sh LIBRARY
42.Lb libc
43.Sh SYNOPSIS
224c7076 44.In string.h
5b2abdfb 45.Ft void *
34e8f829 46.Fn memset "void *b" "int c" "size_t len"
e9ce8d39
A
47.Sh DESCRIPTION
48The
224c7076 49.Fn memset
5b2abdfb 50function
224c7076 51writes
34e8f829 52.Fa len
224c7076
A
53bytes of value
54.Fa c
34e8f829
A
55(converted to an unsigned char) to the byte string
56.Fa b .
e9ce8d39 57.Sh RETURN VALUES
5b2abdfb 58The
224c7076
A
59.Fn memset
60function returns its first argument.
61.Sh SEE ALSO
62.Xr bzero 3 ,
63.Xr memset_pattern 3 ,
1f2f436a
A
64.Xr swab 3 ,
65.Xr wmemset 3
224c7076 66.Sh STANDARDS
e9ce8d39 67The
224c7076 68.Fn memset
5b2abdfb 69function
224c7076
A
70conforms to
71.St -isoC .