/usr/ is in libraw1394-dev 2.1.0-1ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/libraw1394.a
/usr/lib/x86_64-linux-gnu/libraw1394.la
/usr/lib/x86_64-linux-gnu/pkgconfig/
/usr/lib/x86_64-linux-gnu/pkgconfig/libraw1394.pc
/usr/include/
/usr/include/libraw1394/
/usr/include/libraw1394/csr.h
/usr/include/libraw1394/raw1394.h
/usr/include/libraw1394/ieee1394.h
/usr/share/
/usr/share/man/
/usr/share/man/man5/
/usr/share/man/man1/
/usr/share/doc/
/usr/share/doc/libraw1394-dev/
/usr/share/doc/libraw1394-dev/copyright
/usr/lib/x86_64-linux-gnu/libraw1394.so
/usr/share/doc/libraw1394-dev/README
/usr/share/doc/libraw1394-dev/README.Debian
/usr/share/doc/libraw1394-dev/NEWS.gz
/usr/share/doc/libraw1394-dev/AUTHORS
/usr/share/doc/libraw1394-dev/changelog.Debian.gz