code: def tdSensor(self):
          
          protocol = create_string_buffer(20)
          model = create_string_buffer(20)
          sid = c_int()
          datatypes = c_int()
  
          self._lib.tdSensor(protocol, sizeof(protocol), model, sizeof(model),
                             byref(sid), byref(datatypes))
          return {'protocol': self._to_str(protocol),
                  'model': self._to_str(model),
                  'id': sid.value, 'datatypes': datatypes.value}
docs: Get the next sensor while iterating.
  
          :return: a dict with the keys: protocol, model, id, datatypes.