/usr/ is in gr-iio 0.1.67-1+b1.
This file is owned by root:root, with mode 0o755.
..
/usr/include/gnuradio/
/usr/include/gnuradio/iio/
/usr/include/
/usr/include/gnuradio/iio/api.h
/usr/include/gnuradio/iio/converter_ss.h
/usr/include/gnuradio/iio/device_sink.h
/usr/include/gnuradio/iio/device_source.h
/usr/include/gnuradio/iio/fmcomms2_sink.h
/usr/include/gnuradio/iio/fmcomms2_source.h
/usr/include/gnuradio/iio/fmcomms5_sink.h
/usr/include/gnuradio/iio/fmcomms5_source.h
/usr/include/gnuradio/iio/math.h
/usr/include/gnuradio/iio/power_ff.h
/usr/include/swig/
/usr/include/swig/iio_swig.i
/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/iio/
/usr/lib/python2.7/dist-packages/gnuradio/iio/__init__.py
/usr/lib/python2.7/dist-packages/gnuradio/iio/_iio_swig.so
/usr/lib/python2.7/dist-packages/gnuradio/iio/iio_swig.py
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/pkgconfig/
/usr/lib/x86_64-linux-gnu/pkgconfig/gnuradio-iio.pc
/usr/share/
/usr/share/doc/
/usr/share/doc/gr-iio/
/usr/share/doc/gr-iio/changelog.Debian.amd64.gz
/usr/share/doc/gr-iio/changelog.Debian.gz
/usr/share/doc/gr-iio/copyright
/usr/share/gnuradio/
/usr/share/gnuradio/grc/
/usr/share/gnuradio/grc/blocks/
/usr/share/gnuradio/grc/blocks/iio_device_sink.xml
/usr/share/gnuradio/grc/blocks/iio_device_source.xml
/usr/share/gnuradio/grc/blocks/iio_fmcomms2_sink.xml
/usr/share/gnuradio/grc/blocks/iio_fmcomms2_source.xml
/usr/share/gnuradio/grc/blocks/iio_fmcomms5_sink.xml
/usr/share/gnuradio/grc/blocks/iio_fmcomms5_source.xml
/usr/share/gnuradio/grc/blocks/iio_math.xml
/usr/share/gnuradio/grc/blocks/iio_math_gen.xml
/usr/share/gnuradio/grc/blocks/iio_power_ff.xml
/usr/lib/x86_64-linux-gnu/libgnuradio-iio.so