age_int_task
static void age_int_task(void *, int);
taskqueue_enqueue(sc->age_tq, &sc->age_int_task);
taskqueue_enqueue(sc->age_tq, &sc->age_int_task);
TASK_INIT(&sc->age_int_task, 0, age_int_task, sc);
taskqueue_drain(sc->age_tq, &sc->age_int_task);
taskqueue_drain(sc->age_tq, &sc->age_int_task);
struct task age_int_task;