-ui::HPaned create_split_views( ui::Widget topleft, ui::Widget topright, ui::Widget botleft, ui::Widget botright );
+#include <uilib/uilib.h>
+
+ui::Widget create_split_views( ui::Widget topleft, ui::Widget botleft, ui::Widget topright, ui::Widget botright, ui::Widget& vsplit1, ui::Widget& vsplit2 );