anchor.diff:                  true ->
                       false;
                   false ->
  -                    io:format("error bad proto~n", []),
                       throw({error, bad_proto})
               end
       end.
  
positive.code:                                             ListenerOpts,
                                              {Protocol, ProtoOpts, Spawn})
                   || _ <- lists:seq(1, NbAcceptors)],
      {ok, #state{socket = Socket,
                  transport = Transport,
                  transport_opts = TransOpts,
  
negative.code:     [{nb_acceptors, Nb}] = info(Ref, [nb_acceptors]),
      Nb.
  
  start_accepting(Ref) ->
      gen_server:call(Ref, start_accepting, infinity).
  
  