connection; it is t for a pipe connection. If KEY is t, the complete
contact information for the connection is returned, else the specific
value for the keyword KEY is returned. See `make-network-process',
-`make-serial-process', or `make pipe-process' for the list of keywords.
+`make-serial-process', or `make-pipe-process' for the list of keywords.
If PROCESS is a non-blocking network process that hasn't been fully
set up yet, this function will block until socket setup has completed. */)
(Lisp_Object process, Lisp_Object key)