anchor.diff:                                     address = {Ip,TcpPort},
                                      host = Address,
                                      protocol = tcp,
  -                                   family = inet}
  +                                   family = inet6}
                                 end,
   			      mf_tick = fun ?MODULE:tick/1,
   			      mf_getstat = fun ?MODULE:getstat/1,
  
positive.code:                               timer = Timer,
                                this_flags = 0,
                                other_version = Version,
  			      f_send = fun inet_tcp:send/2,
  			      f_recv = fun inet_tcp:recv/3,
                                f_setopts_pre_nodeup = 
                                fun(S) ->
                                        inet:setopts
  
negative.code: accept_loop(Kernel, Listen) ->
      case inet6_tcp:accept(Listen) of
          {ok, Socket} ->
              Kernel ! {accept,self(),Socket,inet6,tcp},
              controller(Kernel, Socket),
              accept_loop(Kernel, Listen);
          Error ->
  