ENGINE_CTRL_GET_FIRST_CMD_TYPE
if (!ENGINE_ctrl(e, ENGINE_CTRL_HAS_CTRL_FUNCTION, 0, NULL, NULL) || ((num = ENGINE_ctrl(e, ENGINE_CTRL_GET_FIRST_CMD_TYPE, 0, NULL, NULL)) <= 0)) {
case ENGINE_CTRL_GET_FIRST_CMD_TYPE:
if (cmd == ENGINE_CTRL_GET_FIRST_CMD_TYPE) {