source for rwho daemon

[Laurence R. Brothers]

I think rwhod uses directed datagrams sent to specific hosts on a list,
not authentic broadcast sockets. I have gottent clnt_broadcast()
(the rpc call) to work, but I also haven't had success with sending
broadcast datagrams following the examples in the IPC tutorial.

	         Laurence R. Brothers (quasar at bellcore.com)
      Bellcore -- Computer Technology Transfer -- Knowledge-Based Systems
       "There is no memory with less satisfaction in it than the memory
            of some temptation we resisted." -- James Branch Cabell