Copyright © 2021 Plan 9 Foundation

This software was originally authored by employees of Bell Laboratories,
a unit of Nokia Corporation.


This work originally included the notice below.


                       AT&T -- Proprietary
       This source tree contains proprietary information of
        AT&T and is not to be disclosed or used except in
             accordance with applicable agreements.

                      Copyright © 1992 AT&T

               Unpublished and not for publication
                       All Rights Reserved