(:cffi window-type gdk-window-window-type gdk-window-type
"gdk_window_get_window_type" nil)
(:cffi is-destroyed gdk-window-is-destroyed :boolean
(:cffi window-type gdk-window-window-type gdk-window-type
"gdk_window_get_window_type" nil)
(:cffi is-destroyed gdk-window-is-destroyed :boolean