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SWAB(3P) POSIX Programmer's Manual SWAB(3P)
This manual page is part of the POSIX Programmer's Manual. The Linux
implementation of this interface may differ (consult the
corresponding Linux manual page for details of Linux behavior), or
the interface may not be implemented on Linux.
swab — swap bytes
#include <unistd.h>
void swab(const void *restrict src, void *restrict dest,
ssize_t nbytes);
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.
None.
No errors are defined.
The following sections are informative.
None.
None.
None.
None.
The Base Definitions volume of POSIX.1‐2008, unistd.h(0p)
Portions of this text are reprinted and reproduced in electronic form
from IEEE Std 1003.1, 2013 Edition, Standard for Information
Technology -- Portable Operating System Interface (POSIX), The Open
Group Base Specifications Issue 7, Copyright (C) 2013 by the
Institute of Electrical and Electronics Engineers, Inc and The Open
Group. (This is POSIX.1-2008 with the 2013 Technical Corrigendum 1
applied.) 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 original
Standard can be obtained online at http://www.unix.org/online.html .
Any typographical or formatting errors that appear in this page are
most likely to have been introduced during the conversion of the
source files to man page format. To report such errors, see
https://www.kernel.org/doc/man-pages/reporting_bugs.html .
IEEE/The Open Group 2013 SWAB(3P)
Pages that refer to this page: unistd.h(0p)