# GdkPixmap, GdkBitmap and GdkDrawable are the same as GdkWindow. GdkWindow struct GdkPixmap { gpointer user_data; }; GdkPixmap struct GdkPixmap { gpointer user_data; }; GdkBitmap struct GdkBitmap { gpointer user_data; }; GdkDrawable struct GdkDrawable { gpointer user_data; }; GDK_WINDOWING_X11 #define GDK_WINDOWING_X11 GDK_WINDOWING_WIN32 #define GDK_WINDOWING_WIN32 GDK_WINDOWING_FB #define GDK_WINDOWING_FB