sent_string
sent_string(carriage_return);
need_flush |= sent_string((use_reset && (reset_1string != 0))
need_flush |= sent_string((use_reset && (reset_2string != 0))
need_flush |= sent_string(clear_margins);
need_flush |= sent_string(TIPARM_2(set_lr_margin, 0, columns - 1));
need_flush |= sent_string(TIPARM_1(set_left_margin_parm, 0));
need_flush |= sent_string(TIPARM_1(set_right_margin_parm,
need_flush |= sent_string(set_left_margin);
need_flush |= sent_string(TIPARM_1(parm_right_cursor,
need_flush |= sent_string(set_right_margin);
need_flush |= sent_string((use_reset && (reset_3string != 0))