anchor.diff:        S
      }.   
   
  +%%
  +%%
   maybe_sent(ok, S) ->
      {next_state, 
         'ESTABLISHED', 
  
positive.code:          addr    = knet:addr(opts:val(addr, undefined,  Opts)),
           pool    = opts:val(acceptor, ?KO_TCP_ACCEPTOR, Opts),
           timeout = opts:val(timeout,  ?T_TCP_CONNECT,   Opts),    
           packet  = opts:val(packet,   0,                Opts)
        }
     ).
  
  
negative.code:    peer,   % peer address  
     addr,   % local address
  
     packet, % frame i/o streams into packet(s)
     chunk,  % partially received frame   
  
     opts      % connection option
  }). 
  
  