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SWAB(P) 			    POSIX Programmer's Manual				  SWAB(P)

NAME
       swab - swap bytes

SYNOPSIS
       #include <unistd.h>

       void swab(const void *restrict src, void *restrict dest,
	      ssize_t nbytes);

DESCRIPTION
       The  swab()  function  shall copy nbytes bytes, which are pointed to by src, to the object
       pointed to by dest, exchanging adjacent bytes. The nbytes  argument  should  be	even.  If
       nbytes  is odd, swab() copies and exchanges nbytes-1 bytes and the disposition of the last
       byte is unspecified. If copying takes place between objects that overlap, the behavior  is
       undefined. If nbytes is negative, swab() does nothing.

RETURN VALUE
       None.

ERRORS
       No errors are defined.

       The following sections are informative.

EXAMPLES
       None.

APPLICATION USAGE
       None.

RATIONALE
       None.

FUTURE DIRECTIONS
       None.

SEE ALSO
       The Base Definitions volume of IEEE Std 1003.1-2001, <unistd.h>

COPYRIGHT
       Portions  of  this  text  are  reprinted  and  reproduced in electronic form from IEEE Std
       1003.1, 2003 Edition, Standard for Information Technology  --  Portable	Operating  System
       Interface  (POSIX), The Open Group Base Specifications Issue 6, Copyright (C) 2001-2003 by
       the Institute of Electrical and Electronics Engineers, Inc and  The  Open  Group.  In  the
       event  of  any  discrepancy  between this version and the original IEEE and The Open Group
       Standard, the original IEEE and The Open Group Standard is the referee document. The orig-
       inal Standard can be obtained online at http://www.opengroup.org/unix/online.html .

IEEE/The Open Group			       2003					  SWAB(P)
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