int (*td_kpad)(struct DriverTCB*, int);
int (*td_kyOk)(struct DriverTCB*, int, int);
bool (*td_kyExist)(struct DriverTCB*, int);
int (*td_kpad)(struct DriverTCB*, int);
int (*td_kyOk)(struct DriverTCB*, int, int);
bool (*td_kyExist)(struct DriverTCB*, int);