func (v *TextMark) native() *C.GtkTextMark {
	if v == nil {
		return nil
	}
	return (*C.GtkTextMark)(v)
}
func (v *TextMark) native() *C.GtkTextMark {
	if v == nil {
		return nil
	}
	return (*C.GtkTextMark)(v)
}
func ( v * TextMark ) native ( ) * C . GtkTextMark { if v == nil { return nil } return ( * C . GtkTextMark ) ( v ) }
// native returns a pointer to the underlying GtkTextMark.
native returns a pointer to the underlying GtkTextMark .