anchor.diff:           sc_lc_recvmsg_response_udpL/1,
            sc_lc_acceptor_response_tcp4/1,
            sc_lc_acceptor_response_tcp6/1,
  +         sc_lc_acceptor_response_tcpL/1,
   
            sc_rc_recv_response_tcp4/1,
            sc_rc_recv_response_tcp6/1,
  
positive.code: sc_lc_acceptor_response_tcp4(doc) ->
      [];
  sc_lc_acceptor_response_tcp4(_Config) when is_list(_Config) ->
      tc_try(sc_lc_acceptor_response_tcp4,
             fun() ->
                     ?TT(?SECS(10)),
                     InitState = #{domain   => inet,
                                   type     => stream,
                                   protocol => tcp},
                     ok = sc_lc_acceptor_response_tcp(InitState)
             end).
  
negative.code: sc_rc_recv_response_tcp4(doc) ->
      [];
  sc_rc_recv_response_tcp4(_Config) when is_list(_Config) ->
      ?TT(?SECS(30)),
      tc_try(sc_rc_recv_response_tcp4,
             fun() ->
                     Recv      = fun(Sock) -> socket:recv(Sock) end,
                     InitState = #{domain   => inet,
                                   type     => stream,
  