/usr/ is in libnewt-dev 0.52.20-1ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/include/
/usr/include/newt.h
/usr/lib/
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/libnewt.a
/usr/lib/x86_64-linux-gnu/pkgconfig/
/usr/lib/x86_64-linux-gnu/pkgconfig/libnewt.pc
/usr/share/
/usr/share/doc/
/usr/share/doc/libnewt-dev/
/usr/share/doc/libnewt-dev/README.Debian
/usr/share/doc/libnewt-dev/copyright
/usr/share/doc/libnewt-dev/tutorial.html/
/usr/share/doc/libnewt-dev/tutorial.html/t1.html
/usr/share/doc/libnewt-dev/tutorial.html/x100.html
/usr/share/doc/libnewt-dev/tutorial.html/x197.html
/usr/share/doc/libnewt-dev/tutorial.html/x223.html
/usr/lib/x86_64-linux-gnu/libnewt.so
/usr/share/doc/libnewt-dev/changelog.Debian.gz