# GdkAtom is an opaque typedef GdkAtom typedef struct _GdkAtom *GdkAtom; GDK_WINDOWING_X11 #define GDK_WINDOWING_X11 GDK_WINDOWING_WIN32 #define GDK_WINDOWING_WIN32 GDK_WINDOWING_QUARTZ #define GDK_WINDOWING_QUARTZ GDK_WINDOWING_WAYLAND #define GDK_WINDOWING_WAYLAND GDK_DISABLE_DEPRECATION_WARNINGS #define GDK_DISABLE_DEPRECATION_WARNINGS