#define GUI_PREV -102
#define GUI_NEXT -103
#define GUI_BS -104
+#define GUI_CL -105
void gui_most_coins(int, int);
void set_most_coins(const struct score *, int);
void set_best_times(const struct score *, int, int);
void gui_keyboard(int);
+void gui_keyboard_lock(void);
+char gui_keyboard_char(char);
+
int gui_back_prev_next(int, int, int);
int gui_maybe(int, const char *, int, int);