anchor.diff:  
   
   %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  +%% We use the backlog (listen) argument to test this.
  +%% Note that the behaviour of the TCP "server side" can vary when 
  +%% a client connect to a "busy" server (full backlog).
  +%% For instance, on FreeBSD (11.2) the reponse when the backlog is full
  +%% is a econreset.
   
   api_to_connect_tcp(Domain) ->
       process_flag(trap_exit, true),
  
positive.code:                  {error, Reason} ->
                       ?FAIL({open, Reason})
               end,
      {ok, Domain} = socket:getopt(Socket, socket, domain),
      {ok, Type}   = socket:getopt(Socket, socket, type),
      {ok, Proto}  = socket:getopt(Socket, socket, protocol),
      Self = self(),
  
negative.code:         {error, timeout} ->
              p("expected timeout (~w)", [ID]),
              ok;
          {error, econnreset = Reason} ->
              p("failed connecting: ~p - giving up", [Reason]),
              ok;
          {error, Reason} ->
              p("failed connecting: ~p", [Reason]),
              ?FAIL({recv, Reason});
  