freebsd man page for swab

SWAB(3) 						   BSD Library Functions Manual 						   SWAB(3)

NAME
     swab -- swap adjacent bytes

LIBRARY
     Standard C Library (libc, -lc)

SYNOPSIS
     #include <unistd.h>

     void
     swab(const void * restrict src, void * restrict dst, ssize_t len);

DESCRIPTION
     The function swab() copies len bytes from the location referenced by src to the location referenced by dst, swapping adjacent bytes.

     The argument len must be an even number.  If len is less than zero, nothing will be done.

SEE ALSO
     bzero(3), memset(3)

HISTORY
     A swab() function appeared in Version 7 AT&T UNIX.

BSD
								   March 4, 2012							       BSD