anchor.diff:      {ok, Env} ->
         Env
     end.
  -
  -storage_get(Key) ->
  -  case lists:keyfind(Key, 1, get_env(storage)) of
  -    false ->
  -      undefined;
  -    {Key, Value} ->
  -      Value
  -  end.
  
positive.code:       Value
    end.
  
  % Private functions
  
  parse_address(Address) when is_list(Address) ->
  
negative.code:   Tuple;
  parse_address(Address) -> Address.
  
  get_env_value(Key, Name) ->
    case lists:keyfind(Key, 1, get_env(Name)) of
      false ->
        undefined;
      {Key, Value} ->
        Value
    end.
  
  get_env(storage) ->
    case application:get_env(erldns, storage) of
  