/usr/include/Unidraw/Components/ is in ivtools-dev 1.2.11a1-8.
This file is owned by root:root, with mode 0o755.
..
/usr/include/Unidraw/Components/cglue.h
/usr/include/Unidraw/Components/component.h
/usr/include/Unidraw/Components/compview.h
/usr/include/Unidraw/Components/connector.h
/usr/include/Unidraw/Components/csolver.h
/usr/include/Unidraw/Components/ellipse.h
/usr/include/Unidraw/Components/externview.h
/usr/include/Unidraw/Components/grcomp.h
/usr/include/Unidraw/Components/grview.h
/usr/include/Unidraw/Components/gvupdater.h
/usr/include/Unidraw/Components/line.h
/usr/include/Unidraw/Components/link.h
/usr/include/Unidraw/Components/pad.h
/usr/include/Unidraw/Components/pin.h
/usr/include/Unidraw/Components/polygon.h
/usr/include/Unidraw/Components/psformat.h
/usr/include/Unidraw/Components/psview.h
/usr/include/Unidraw/Components/rastercomp.h
/usr/include/Unidraw/Components/rect.h
/usr/include/Unidraw/Components/slot.h
/usr/include/Unidraw/Components/spline.h
/usr/include/Unidraw/Components/stencilcomp.h
/usr/include/Unidraw/Components/text.h
/usr/include/Unidraw/Components/vertices.h