.\" Copyright (c) 1990, 1991, 1993
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.\" This code is derived from software contributed to Berkeley by
.\" Chris Torek.
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.\"	@(#)bzero.3	8.1 (Berkeley) 6/4/93
.\" $FreeBSD: src/lib/libc/string/bzero.3,v 1.10 2007/01/09 00:28:11 imp Exp $
.\"
.Dd June 4, 1993
.Dt BZERO 3
.Os
.Sh NAME
.Nm bzero
.Nd write zeroes to a byte string
.Sh LIBRARY
.Lb libc
.Sh SYNOPSIS
.In strings.h
.Ft void
.Fn bzero "void *s" "size_t n"
.Sh DESCRIPTION
The
.Fn bzero
function
writes
.Fa n
zeroed bytes to the string
.Fa s .
If
.Fa n
is zero,
.Fn bzero
does nothing.
.Sh SEE ALSO
.Xr memset 3 ,
.Xr swab 3
.Sh HISTORY
A
.Fn bzero
function
appeared in
.Bx 4.3 .
Its prototype existed previously in
.In string.h
before it was moved to
.In strings.h
for
.St -p1003.1-2001
compliance.
.Pp
.Fn bzero
was deprecated in
.St -p1003.1-2001
and removed in
.St -p1003.1-2008 .