64 lines
2.4 KiB
Groff
64 lines
2.4 KiB
Groff
.\" $NetBSD: bswap.3,v 1.3 1999/03/24 06:21:29 mycroft Exp $
|
|
.\"
|
|
.\"
|
|
.\" Copyright (c) 1998 Manuel Bouyer.
|
|
.\"
|
|
.\" Redistribution and use in source and binary forms, with or without
|
|
.\" modification, are permitted provided that the following conditions
|
|
.\" are met:
|
|
.\" 1. Redistributions of source code must retain the above copyright
|
|
.\" notice, this list of conditions and the following disclaimer.
|
|
.\" 2. Redistributions in binary form must reproduce the above copyright
|
|
.\" notice, this list of conditions and the following disclaimer in the
|
|
.\" documentation and/or other materials provided with the distribution.
|
|
.\" 3. All advertising materials mentioning features or use of this software
|
|
.\" must display the following acknowledgement:
|
|
.\" This product includes software developed by the University of
|
|
.\" California, Berkeley and its contributors.
|
|
.\" 4. 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 BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
|
.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
|
.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
.\" SUCH DAMAGE.
|
|
.\"
|
|
.Dd March 17, 1998
|
|
.Dt bswap 3
|
|
.Os
|
|
.Sh NAME
|
|
.Nm bswap16 ,
|
|
.Nm bswap32 ,
|
|
.Nm bswap64
|
|
.Nd byte-order swapping functions
|
|
.Sh LIBRARY
|
|
.Lb libc
|
|
.Sh SYNOPSIS
|
|
.Fd #include <sys/types.h>
|
|
.Fd #include <machine/bswap.h>
|
|
.Ft u_int16_t
|
|
.Fn bswap16 "u_int16_t"
|
|
.Ft u_int32_t
|
|
.Fn bswap32 "u_int32_t"
|
|
.Ft u_int64_t
|
|
.Fn bswap64 "u_int64_t"
|
|
.Sh DESCRIPTION
|
|
The
|
|
.Fn bswap16 ,
|
|
.Fn bswap32 ,
|
|
and
|
|
.Fn bswap64
|
|
function return the value of their argument with the bytes inverted.
|
|
They can be used to convert 16, 32 or 64 bits intergers from little to big
|
|
endian, or vice-versa.
|
|
.Sh SEE ALSO
|
|
.Xr byteorder 3
|