void game_reshape(int x, int y);
void game_keyboard(int key, int pressed);
void game_mouse_button(int bn, int pressed, int x, int y);
void game_mouse_motion(int x, int y);
void game_reshape(int x, int y);
void game_keyboard(int key, int pressed);
void game_mouse_button(int bn, int pressed, int x, int y);
void game_mouse_motion(int x, int y);