xref: /minix3/lib/libc/string/bzero.3 (revision 2fe8fb192fe7e8720e3e7a77f928da545e872a6a)
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.
6*2fe8fb19SBen Gras.\"
7*2fe8fb19SBen Gras.\" Redistribution and use in source and binary forms, with or without
8*2fe8fb19SBen Gras.\" modification, are permitted provided that the following conditions
9*2fe8fb19SBen Gras.\" are met:
10*2fe8fb19SBen Gras.\" 1. Redistributions of source code must retain the above copyright
11*2fe8fb19SBen Gras.\"    notice, this list of conditions and the following disclaimer.
12*2fe8fb19SBen Gras.\" 2. Redistributions in binary form must reproduce the above copyright
13*2fe8fb19SBen Gras.\"    notice, this list of conditions and the following disclaimer in the
14*2fe8fb19SBen Gras.\"    documentation and/or other materials provided with the distribution.
15*2fe8fb19SBen Gras.\" 3. Neither the name of the University nor the names of its contributors
16*2fe8fb19SBen Gras.\"    may be used to endorse or promote products derived from this software
17*2fe8fb19SBen Gras.\"    without specific prior written permission.
18*2fe8fb19SBen Gras.\"
19*2fe8fb19SBen Gras.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20*2fe8fb19SBen Gras.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21*2fe8fb19SBen Gras.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22*2fe8fb19SBen Gras.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23*2fe8fb19SBen Gras.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24*2fe8fb19SBen Gras.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25*2fe8fb19SBen Gras.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26*2fe8fb19SBen Gras.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27*2fe8fb19SBen Gras.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28*2fe8fb19SBen Gras.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29*2fe8fb19SBen Gras.\" SUCH DAMAGE.
30*2fe8fb19SBen Gras.\"
31*2fe8fb19SBen Gras.\"     from: @(#)bzero.3	8.1 (Berkeley) 6/4/93
32*2fe8fb19SBen Gras.\"	$NetBSD: bzero.3,v 1.13 2010/04/29 06:54:26 jruoho Exp $
33*2fe8fb19SBen Gras.\"
34*2fe8fb19SBen Gras.Dd April 29, 2010
35*2fe8fb19SBen Gras.Dt BZERO 3
36*2fe8fb19SBen Gras.Os
37*2fe8fb19SBen Gras.Sh NAME
38*2fe8fb19SBen Gras.Nm bzero
39*2fe8fb19SBen Gras.Nd write zeroes to a byte string
40*2fe8fb19SBen Gras.Sh LIBRARY
41*2fe8fb19SBen Gras.Lb libc
42*2fe8fb19SBen Gras.Sh SYNOPSIS
43*2fe8fb19SBen Gras.In strings.h
44*2fe8fb19SBen Gras.Ft void
45*2fe8fb19SBen Gras.Fn bzero "void *b" "size_t len"
46*2fe8fb19SBen Gras.Sh DESCRIPTION
47*2fe8fb19SBen GrasThe
48*2fe8fb19SBen Gras.Fn bzero
49*2fe8fb19SBen Grasfunction
50*2fe8fb19SBen Graswrites
51*2fe8fb19SBen Gras.Fa len
52*2fe8fb19SBen Graszero bytes to the string
53*2fe8fb19SBen Gras.Fa b .
54*2fe8fb19SBen GrasIf
55*2fe8fb19SBen Gras.Fa len
56*2fe8fb19SBen Grasis zero,
57*2fe8fb19SBen Gras.Fn bzero
58*2fe8fb19SBen Grasdoes nothing.
59*2fe8fb19SBen Gras.Sh SEE ALSO
60*2fe8fb19SBen Gras.Xr memset 3 ,
61*2fe8fb19SBen Gras.Xr swab 3
62*2fe8fb19SBen Gras.Sh STANDARDS
63*2fe8fb19SBen GrasThe
64*2fe8fb19SBen Gras.Fn bzero
65*2fe8fb19SBen Grasfunction conforms to
66*2fe8fb19SBen Gras.St -p1003.1-2001 .
67*2fe8fb19SBen GrasThe
68*2fe8fb19SBen Gras.St -p1003.1-2004
69*2fe8fb19SBen Grasrevision marked it as legacy and recommended the use of
70*2fe8fb19SBen Gras.Xr memset 3
71*2fe8fb19SBen Grasinstead.
72*2fe8fb19SBen GrasThe
73*2fe8fb19SBen Gras.St -p1003.1-2008
74*2fe8fb19SBen Grasrevision removed
75*2fe8fb19SBen Gras.Fn bzero
76*2fe8fb19SBen Grasfrom the specification.
77*2fe8fb19SBen Gras.Sh HISTORY
78*2fe8fb19SBen GrasA
79*2fe8fb19SBen Gras.Fn bzero
80*2fe8fb19SBen Grasfunction
81*2fe8fb19SBen Grasappeared in
82*2fe8fb19SBen Gras.Bx 4.3 .
83