/usr/ is in libscscp1-dev 1.0.0+ds-1.
This file is owned by root:root, with mode 0o755.
..
/usr/include/
/usr/include/libscscp/
/usr/include/libscscp/scscpxx.h
/usr/include/libscscp/scscp.h
/usr/lib/
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/libscscpxx.a
/usr/lib/x86_64-linux-gnu/libscscp.a
/usr/lib/x86_64-linux-gnu/pkgconfig/
/usr/lib/x86_64-linux-gnu/pkgconfig/libscscp-c.pc
/usr/lib/x86_64-linux-gnu/pkgconfig/libscscp-cxx.pc
/usr/share/
/usr/share/doc/
/usr/share/doc/libscscp1-dev/
/usr/share/doc/libscscp1-dev/copyright
/usr/lib/x86_64-linux-gnu/libscscp.so
/usr/lib/x86_64-linux-gnu/libscscpxx.so
/usr/share/doc/libscscp1-dev/COPYING_CECILL_V2.LIB.gz
/usr/share/doc/libscscp1-dev/readme.txt
/usr/share/doc/libscscp1-dev/changelog.Debian.gz
/usr/share/doc/libscscp1-dev/COPYING_CECILL_C.LIB.gz