intr_event_create
error = intr_event_create(&event, (void *)s, 0, pin,
error = intr_event_create(&ie, NULL, IE_SOFT, 0,
error = intr_event_create(&ie, isrc, 0, isrc->isrc_irq,
error = intr_event_create(&i->event, (void *)i, 0, irq,
int intr_event_create(struct intr_event **event, void *source,
error = intr_event_create(&isrc->is_event, isrc, 0, vector,