gFilterOutputStreamGetBaseStream(object)
gFilterOutputStreamGetCloseBaseStream(object)
gFilterOutputStreamSetCloseBaseStream(object, close.base)
GObject +----GOutputStream +----GFilterOutputStream +----GBufferedOutputStream +----GDataOutputStream
base-stream
[GOutputStream
: * : Read / Write / Construct Only]close-base-stream
[logical : Read / Write / Construct Only]