1998-01-31 02:37:40 +03:00
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.\" Copyright (c) 1990, 1991, 1993
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.\" The Regents of the University of California. All rights reserved.
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1993-03-21 12:45:37 +03:00
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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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.\" 3. All advertising materials mentioning features or use of this software
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.\" must display the following acknowledgement:
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.\" This product includes software developed by the University of
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.\" California, Berkeley and its contributors.
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.\" 4. Neither the name of the University nor the names of its contributors
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.\" may be used to endorse or promote products derived from this software
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.\" without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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1998-01-31 02:37:40 +03:00
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.\" from: @(#)swab.3 8.1 (Berkeley) 6/4/93
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2002-02-07 10:00:09 +03:00
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.\" $NetBSD: swab.3,v 1.7 2002/02/07 07:00:33 ross Exp $
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1993-03-21 12:45:37 +03:00
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.\"
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1998-01-31 02:37:40 +03:00
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.Dd June 4, 1993
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1993-03-21 12:45:37 +03:00
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.Dt SWAB 3
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.Os
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.Sh NAME
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.Nm swab
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.Nd swap adjacent bytes
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1998-02-05 21:45:17 +03:00
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.Sh LIBRARY
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.Lb libc
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1993-03-21 12:45:37 +03:00
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.Sh SYNOPSIS
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2002-02-07 10:00:09 +03:00
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.Fd #include \*[Lt]unistd.h\*[Gt]
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1993-03-21 12:45:37 +03:00
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.Ft void
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.Fn swab "const void *src" "void *dst" "size_t len"
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.Sh DESCRIPTION
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The function
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.Fn swab
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copies
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.Fa len
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bytes from the location referenced by
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.Fa src
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to the location referenced by
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.Fa dst ,
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swapping adjacent bytes.
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.Pp
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The argument
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.Fa len
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must be even number.
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.Sh SEE ALSO
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.Xr bzero 3 ,
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.Xr memset 3
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.Sh HISTORY
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A
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.Fn swab
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function appeared in
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.At v7 .
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