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     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 carrying binary data between machines with
          different byte orders.  Nbytes should be even.