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              Unpublished and not for publication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