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-'\" t
-.\" Copyright 1993 David Metcalfe (david@prism.demon.co.uk)
-.\"
-.\" SPDX-License-Identifier: Linux-man-pages-copyleft
-.\"
-.\" References consulted:
-.\" Linux libc source code
-.\" Lewine's _POSIX Programmer's Guide_ (O'Reilly & Associates, 1991)
-.\" 386BSD man pages
-.\" Modified Sat Jul 24 17:52:15 1993 by Rik Faith (faith@cs.unc.edu)
-.\" Modified 2001-12-15, aeb
-.TH swab 3 2023-10-31 "Linux man-pages 6.7"
-.SH NAME
-swab \- swap adjacent bytes
-.SH LIBRARY
-Standard C library
-.RI ( libc ", " \-lc )
-.SH SYNOPSIS
-.nf
-.BR "#define _XOPEN_SOURCE" " /* See feature_test_macros(7) */"
-.B #include <unistd.h>
-.P
-.BI "void swab(const void " from "[restrict ." n "], void " to "[restrict ." n ],
-.BI " ssize_t " n );
-.fi
-.SH DESCRIPTION
-The
-.BR swab ()
-function copies
-.I n
-bytes from the array pointed
-to by
-.I from
-to the array pointed to by
-.IR to ,
-exchanging
-adjacent even and odd bytes.
-This function is used to exchange data
-between machines that have different low/high byte ordering.
-.P
-This function does nothing when
-.I n
-is negative.
-When
-.I n
-is positive and odd, it handles
-.I n\-1
-bytes
-as above, and does something unspecified with the last byte.
-(In other words,
-.I n
-should be even.)
-.SH RETURN VALUE
-The
-.BR swab ()
-function returns no value.
-.SH ATTRIBUTES
-For an explanation of the terms used in this section, see
-.BR attributes (7).
-.TS
-allbox;
-lbx lb lb
-l l l.
-Interface Attribute Value
-T{
-.na
-.nh
-.BR swab ()
-T} Thread safety MT-Safe
-.TE
-.SH STANDARDS
-POSIX.1-2008.
-.SH HISTORY
-POSIX.1-2001, SVr4, 4.3BSD.
-.SH SEE ALSO
-.BR bstring (3)