Libc-763.13.tar.gz

[apple/libc.git] / string / bcopy.3

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.\"     @(#)bcopy.3	8.1 (Berkeley) 6/4/93
.\" $FreeBSD: src/lib/libc/string/bcopy.3,v 1.10 2007/01/09 00:28:11 imp Exp $
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.Dd June 4, 1993
.Dt BCOPY 3
.Os
.Sh NAME
.Nm bcopy
.Nd copy byte string
.Sh LIBRARY
.Lb libc
.Sh SYNOPSIS
.In strings.h
.Ft void
.Fn bcopy "const void *s1" "void *s2" "size_t n"
.Sh DESCRIPTION
The
.Fn bcopy
function
copies
.Fa n
bytes from string
.Fa s1
to string
.Fa s2 .
The two strings may overlap.
If
.Fa n
is zero, no bytes are copied.
.Sh SEE ALSO
.Xr memccpy 3 ,
.Xr memcpy 3 ,
.Xr memmove 3 ,
.Xr strcpy 3 ,
.Xr strncpy 3
.Sh HISTORY
A
.Fn bcopy
function appeared in
.Bx 4.2 .
Its prototype existed previously in
.In string.h
before it was moved to
.In strings.h
for
.St -p1003.1-2001
compliance.