*use_connection = *Amanda::Devicec::Device_use_connection;
*write_from_connection = *Amanda::Devicec::Device_write_from_connection;
*read_to_connection = *Amanda::Devicec::Device_read_to_connection;
*use_connection = *Amanda::Devicec::Device_use_connection;
*write_from_connection = *Amanda::Devicec::Device_write_from_connection;
*read_to_connection = *Amanda::Devicec::Device_read_to_connection;