12 extern uint16_t rrand(char, uint32_t);
13 extern void update_log (struct World *, char *);
14 extern uint16_t center_offset (uint16_t, uint16_t, uint16_t);
15 extern void turn_over (struct World *, char);
16 extern void save_game(struct World *);
17 extern void toggle_window (struct WinMeta *, struct Win *);
18 extern void scroll_pad (struct WinMeta *, char);
19 extern void growshrink_active_window (struct WinMeta *, char);
20 extern struct yx_uint16 find_passable_pos (struct Map *);
21 extern unsigned char meta_keys(int, struct World *, struct WinMeta *, struct Win *, struct Win *, struct Win *, struct Win *);