- o -
- OBJECT_MANAGER_CLIENT_FLAGS_DO_NOT_AUTO_START : Gio::DBus
- OBJECT_MANAGER_CLIENT_FLAGS_NONE : Gio::DBus
- OUTPUT_STREAM_SPLICE_CLOSE_SOURCE : Gio
- OUTPUT_STREAM_SPLICE_CLOSE_TARGET : Gio
- OUTPUT_STREAM_SPLICE_NONE : Gio
- OWNERSHIP_DEEP : Glib
- OWNERSHIP_NONE : Glib
- OWNERSHIP_SHALLOW : Glib