4.3BSD-Reno/src/lib/libc/string/swab.3

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.\" Copyright (c) 1990 The Regents of the University of California.
.\" All rights reserved.
.\"
.\" Redistribution and use in source and binary forms are permitted
.\" provided that: (1) source distributions retain this entire copyright
.\" notice and comment, and (2) distributions including binaries display
.\" the following acknowledgement:  ``This product includes software
.\" developed by the University of California, Berkeley and its contributors''
.\" in the documentation or other materials provided with the distribution
.\" and in all advertising materials mentioning features or use of this
.\" software. Neither the name of the University nor the names of its
.\" contributors may be used to endorse or promote products derived
.\" from this software without specific prior written permission.
.\" THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
.\" IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
.\" WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
.\"
.\"	@(#)swab.3	6.3 (Berkeley) 5/17/90
.\"
.TH SWAB 3  "May 17, 1990"
.AT 3
.nf
.SH NAME
swab \- swap bytes
.SH SYNOPSIS
.nf
.ft B
#include <string.h>

void
swab(const char *src, char *dst, size_t len);
.ft R
.fi
.SH DESCRIPTION
The function
.I swab
copies
.I len
bytes from the location referenced by
.I src
to the location referenced by
.IR dst ,
swapping adjacent bytes.
.PP
.I Len
should be even.
.SH SEE ALSO
bzero(3), memset(3)