extern struct Map init_map ();
extern void map_scroll (struct Map *, char, struct yx_uint16);
extern struct Map init_map ();
extern void map_scroll (struct Map *, char, struct yx_uint16);
extern void turn_over (struct World *, char);
extern void save_game(struct World *);
extern void turn_over (struct World *, char);
extern void save_game(struct World *);