2005-12-26 22:40:14 +03:00
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.\" $NetBSD: bswap.3,v 1.10 2005/12/26 19:40:14 perry Exp $
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1998-03-18 19:40:45 +03:00
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.\"
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.\" Copyright (c) 1998 Manuel Bouyer.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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2003-10-05 21:48:49 +04:00
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.\" 3. The name of the author may not be used to endorse or promote products
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.\" derived from this software without specific prior written permission.
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1998-03-18 19:40:45 +03:00
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.\"
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2000-05-15 10:26:42 +04:00
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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.\" INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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1998-03-18 19:40:45 +03:00
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.\"
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.Dd March 17, 1998
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2001-06-05 16:16:23 +04:00
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.Dt BSWAP 3
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1999-03-22 22:44:33 +03:00
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.Os
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1998-03-18 19:40:45 +03:00
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.Sh NAME
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.Nm bswap16 ,
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.Nm bswap32 ,
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.Nm bswap64
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.Nd byte-order swapping functions
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.Sh LIBRARY
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1999-01-15 16:31:15 +03:00
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.Lb libc
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1998-03-18 19:40:45 +03:00
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.Sh SYNOPSIS
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2003-04-16 17:34:34 +04:00
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.In sys/types.h
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.In machine/bswap.h
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2005-12-26 22:40:14 +03:00
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.Ft uint16_t
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.Fn bswap16 "uint16_t"
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.Ft uint32_t
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.Fn bswap32 "uint32_t"
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.Ft uint64_t
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.Fn bswap64 "uint64_t"
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1998-03-18 19:40:45 +03:00
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.Sh DESCRIPTION
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The
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.Fn bswap16 ,
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.Fn bswap32 ,
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and
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.Fn bswap64
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2001-06-05 16:16:23 +04:00
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functions return the value of their argument with the bytes inverted.
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They can be used to convert 16, 32 or 64 bits integers from little to big
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1998-03-18 19:40:45 +03:00
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endian, or vice-versa.
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.Sh SEE ALSO
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.Xr byteorder 3
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