anchor.diff:                       {ok, LSock3} ->
                            LSock3;
                        {error, Reason3} ->
  +                         ?P("Listen failed (ifaddr):"
  +                            "~n   Reason3: ~p", [Reason3]),
                            ?SKIPT(listen_failed_str(Reason3))
                    end,
   	    implicit_inet6(S3, Addr),
  
positive.code:     ok              = gen_tcp:close(L),
      ok.
  
  t_fdconnect(Config) when is_list(Config) ->
      ?TC_TRY(t_fdconnect, fun() -> do_t_fdconnect(Config) end).
  
  
negative.code:     ?P("try create file descriptor (fd)"),
      FD = gen_tcp_api_SUITE:getsockfd(),
      ?P("try connect to using file descriptor (~w)", [FD]),
      Client = case gen_tcp:connect(localhost, Port, [{fd,     FD},
                                                      {port,   20002},
                                                      {active, false}]) of
                   {ok, CSock} ->
                       CSock;
                   {error, eaddrnotavail = CReason} ->
  