rnd_event_head    402 dev/rnd.c      struct rand_event *rnd_event_head = rnd_event_space;
rnd_event_head    438 dev/rnd.c      	if (p == rnd_event_head)
rnd_event_head    453 dev/rnd.c      	struct rand_event *p = rnd_event_head + 1;
rnd_event_head    461 dev/rnd.c      	return rnd_event_head = p;
rnd_event_head    468 dev/rnd.c      	int len = rnd_event_head - rnd_event_tail;