code: def find_next(library, find_list):
      
      instrument_description = create_string_buffer(constants.VI_FIND_BUFLEN)
      ret = library.viFindNext(find_list, instrument_description)
      return buffer_to_text(instrument_description), ret
docs: Returns the next resource from the list of resources found during a previous call to find_resources().
  
      Corresponds to viFindNext function of the VISA library.
  
      :param library: the visa library wrapped by ctypes.
      :param find_list: Describes a find list. This parameter must be created by find_resources().
      :return: Returns a string identifying the location of a device, return value of the library call.
      :rtype: unicode (Py2) or str (Py3), :class:`pyvisa.constants.StatusCode`