/usr/ is in libcjs-dev 3.6.1-0ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/doc/libcjs-dev/copyright
/usr/lib/x86_64-linux-gnu/libcjs.so
/usr/share/doc/libcjs-dev/changelog.Debian.gz
/usr/include/
/usr/include/cjs-1.0/
/usr/include/cjs-1.0/cjs/
/usr/include/cjs-1.0/cjs/context.h
/usr/include/cjs-1.0/cjs/coverage.h
/usr/include/cjs-1.0/cjs/gjs.h
/usr/include/cjs-1.0/cjs/macros.h
/usr/include/cjs-1.0/util/
/usr/include/cjs-1.0/util/error.h
/usr/lib/
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/pkgconfig/
/usr/lib/x86_64-linux-gnu/pkgconfig/cjs-1.0.pc
/usr/share/
/usr/share/doc/
/usr/share/doc/libcjs-dev/