/usr/ is in gr-fosphor 3.7.0.2.7b6b996-2.
This file is owned by root:root, with mode 0o755.
..
/usr/include/
/usr/include/gnuradio/
/usr/include/gnuradio/fosphor/
/usr/include/gnuradio/fosphor/api.h
/usr/include/gnuradio/fosphor/base_sink_c.h
/usr/include/gnuradio/fosphor/glfw_sink_c.h
/usr/include/gnuradio/fosphor/qt_sink_c.h
/usr/include/gnuradio/fosphor/swig/
/usr/include/gnuradio/fosphor/swig/fosphor_swig.i
/usr/include/gnuradio/fosphor/swig/fosphor_swig_doc.i
/usr/include/gnuradio/fosphor/wx_core_sink_c.h
/usr/lib/
/usr/lib/python2.7/
/usr/lib/python2.7/dist-packages/
/usr/lib/python2.7/dist-packages/gnuradio/
/usr/lib/python2.7/dist-packages/gnuradio/fosphor/
/usr/lib/python2.7/dist-packages/gnuradio/fosphor/__init__.py
/usr/lib/python2.7/dist-packages/gnuradio/fosphor/_fosphor_swig.so
/usr/lib/python2.7/dist-packages/gnuradio/fosphor/fosphor_swig.py
/usr/lib/python2.7/dist-packages/gnuradio/fosphor/wx_sink_c.py
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/pkgconfig/
/usr/lib/x86_64-linux-gnu/pkgconfig/gnuradio-fosphor.pc
/usr/share/
/usr/share/doc/
/usr/share/doc/gr-fosphor/
/usr/share/doc/gr-fosphor/copyright
/usr/share/gnuradio/
/usr/share/gnuradio/grc/
/usr/share/gnuradio/grc/blocks/
/usr/share/gnuradio/grc/blocks/fosphor_glfw_sink_c.xml
/usr/share/gnuradio/grc/blocks/fosphor_qt_sink_c.xml
/usr/share/gnuradio/grc/blocks/fosphor_wx_sink_c.xml
/usr/lib/x86_64-linux-gnu/libgnuradio-fosphor.so
/usr/share/doc/gr-fosphor/changelog.Debian.gz