4.3BSD - /usr/man/cat3/swab.0

SWAB(3)                                                                SWAB(3)


NAME
       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 carry‐
       ing  binary  data between PDP11’s and other machines.  Nbytes should be
       even.


7th Edition                      May 15, 1985                          SWAB(3)