/usr/ is in libkf5tnef-dev 16.04.2-1.
This file is owned by root:root, with mode 0o755.
..
/usr/include/
/usr/include/KF5/
/usr/include/KF5/KTNEF/
/usr/include/KF5/KTNEF/KTNEF/
/usr/include/KF5/KTNEF/KTNEF/Formatter
/usr/include/KF5/KTNEF/KTNEF/KTNEFAttach
/usr/include/KF5/KTNEF/KTNEF/KTNEFDefs
/usr/include/KF5/KTNEF/KTNEF/KTNEFMessage
/usr/include/KF5/KTNEF/KTNEF/KTNEFParser
/usr/include/KF5/KTNEF/KTNEF/KTNEFProperty
/usr/include/KF5/KTNEF/KTNEF/KTNEFPropertySet
/usr/include/KF5/KTNEF/KTNEF/KTNEFWriter
/usr/include/KF5/KTNEF/ktnef/
/usr/include/KF5/KTNEF/ktnef/formatter.h
/usr/include/KF5/KTNEF/ktnef/ktnef_export.h
/usr/include/KF5/KTNEF/ktnef/ktnefattach.h
/usr/include/KF5/KTNEF/ktnef/ktnefdefs.h
/usr/share/doc/
/usr/include/KF5/KTNEF/ktnef/ktnefmessage.h
/usr/include/KF5/KTNEF/ktnef/ktnefparser.h
/usr/include/KF5/KTNEF/ktnef/ktnefproperty.h
/usr/include/KF5/KTNEF/ktnef/ktnefpropertyset.h
/usr/include/KF5/KTNEF/ktnef/ktnefwriter.h
/usr/include/KF5/ktnef_version.h
/usr/lib/
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/cmake/
/usr/lib/x86_64-linux-gnu/cmake/KF5Tnef/
/usr/lib/x86_64-linux-gnu/cmake/KF5Tnef/KF5TnefConfig.cmake
/usr/lib/x86_64-linux-gnu/cmake/KF5Tnef/KF5TnefConfigVersion.cmake
/usr/lib/x86_64-linux-gnu/cmake/KF5Tnef/KF5TnefTargets-debian.cmake
/usr/lib/x86_64-linux-gnu/cmake/KF5Tnef/KF5TnefTargets.cmake
/usr/lib/x86_64-linux-gnu/qt5/
/usr/lib/x86_64-linux-gnu/qt5/mkspecs/
/usr/lib/x86_64-linux-gnu/qt5/mkspecs/modules/
/usr/lib/x86_64-linux-gnu/qt5/mkspecs/modules/qt_KTNef.pri
/usr/share/
/usr/share/doc/libkf5tnef-dev/
/usr/share/doc/libkf5tnef-dev/changelog.Debian.gz
/usr/share/doc/libkf5tnef-dev/copyright
/usr/lib/x86_64-linux-gnu/libKF5Tnef.so