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swab(3) [v7 man page]

SWAB(3) 						     Library Functions Manual							   SWAB(3)

swab - swap bytes SYNOPSIS
swab(from, to, nbytes) char *from, *to; DESCRIPTION
Swab copies nbytes bytes pointed to by from to the position pointed to by to, exchanging adjacent even and odd bytes. It is useful for carrying binary data between PDP11's and other machines. Nbytes should be even. SWAB(3)

Check Out this Related Man Page

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 correspond- ing Linux manual page for details of Linux behavior), or the interface may not be implemented on Linux. 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
No errors are defined. The following sections are informative. EXAMPLES
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 Technol- ogy -- 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 original Standard can be obtained online at . IEEE
/The Open Group 2003 SWAB(3P)
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