void blue()
void check_ghosts()
void do_ambushed()
void end_it_all()
void force_quit(object ob)
void heart_beat()
string long(string str,
int dark)
void person_dead(object thing,
int number)
void person_died(string word,
int number)
int query_time_to_crash()
int query_unambushable()
void shut(int minutes,
string reason)