NAME

swab − swap bytes

SYNOPSIS

swab (from, to, nbytes)
char ∗from, ∗to;
int nbytes;

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 PDP-11s and other machines.  Nbytes should be even. 

May 16, 1980