void wm_window_get_size (wmWindow *win, int *width_r, int *height_r);
void wm_window_get_size_ghost (wmWindow *win, int *width_r, int *height_r);
void wm_window_get_position (wmWindow *win, int *posx_r, int *posy_r);
-void wm_window_set_title (wmWindow *win, char *title);
void wm_window_swap_buffers (wmWindow *win);
void wm_get_cursor_position (wmWindow *win, int *x, int *y);