/usr/ is in libguytools1-dev 1.1.1-1.1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/
/usr/include/
/usr/include/libguytools1/
/usr/include/libguytools1/cfg/
/usr/include/libguytools1/cfg/toolcfg.h
/usr/include/libguytools1/error/
/usr/include/libguytools1/error/toolerror.h
/usr/include/libguytools1/log/
/usr/include/libguytools1/log/toollog.h
/usr/include/libguytools1/signal/
/usr/include/libguytools1/signal/toolsignal.h
/usr/include/libguytools1/sysinfo/
/usr/include/libguytools1/sysinfo/toolsysinfo.h
/usr/include/libguytools1/toolconstants.h
/usr/include/libguytools1/toolglobalid.h
/usr/include/libguytools1/tooltarget.h
/usr/include/libguytools1/tooltypes.h
/usr/share/
/usr/share/doc/
/usr/share/doc/libguytools1-dev/
/usr/share/doc/libguytools1-dev/copyright
/usr/lib/libguytoolcfg.so
/usr/lib/libguytoolerror.so
/usr/lib/libguytoollog.so
/usr/lib/libguytoolsignal.so
/usr/lib/libguytoolsysinfo.so
/usr/share/doc/libguytools1-dev/changelog.Debian.gz