anchor.diff:  -spec sctp() -> [port()].
   sctp() -> recon_lib:port_list(name, "sctp_inet").
   
  -%% @doc returns a list of all file handlers open on the node.
  +%% @doc returns a list of all file handles open on the node.
   -spec files() -> [port()].
   files() -> recon_lib:port_list(name, "efile").
   
  
positive.code:         fun({KA,VA}, {KB,VB}) -> {VA,KB} > {VB,KA} end,
          recon_lib:count([Name || {_, Name} <- recon_lib:port_list(name)])
      ).
  
negative.code: -export([remote_load/1, remote_load/2,
           source/1]).
  -export([tcp/0, udp/0, sctp/0, files/0, port_types/0]).
  -export([rpc/1, rpc/2, rpc/3,
           named_rpc/1, named_rpc/2, named_rpc/3]).
  
  %%%%%%%%%%%%%
  %%% TYPES %%%
  