.\" Copyright (c) 1990, 1991 The Regents of the University of California.
.\" All rights reserved.
.\"
.\" %sccs.include.redist.man%
.\"
.\"     @(#)swab.3	6.6 (Berkeley) 05/01/91
.\"
.Dd 
.Dt SWAB 3
.Os
.Sh NAME
.Nm swab
.Nd swap adjacent bytes
.Sh SYNOPSIS
.Fd #include <string.h>
.Ft void
.Fn swab "const void *src" "void *dst" "size_t len"
.Sh DESCRIPTION
The function
.Fn swab
copies
.Fa len
bytes from the location referenced by
.Fa src
to the location referenced by
.Fa dst ,
swapping adjacent bytes.
.Pp
The argument
.Fa len
must be even number.
.Sh SEE ALSO
.Xr bzero 3 ,
.Xr memset 3
.Sh HISTORY
A
.Fn swab
function appeared in
.At v7 .