/usr/include/ is in libkf5prison-dev 1.2~git20150223-0ubuntu2.
This file is owned by root:root, with mode 0o755.
..
/usr/include/KF5/
/usr/include/KF5/prison_version.h
/usr/include/KF5/PRISON/
/usr/include/KF5/PRISON/prison/
/usr/include/KF5/PRISON/prison/code93barcode.h
/usr/include/KF5/PRISON/prison/code39barcode.h
/usr/include/KF5/PRISON/prison/Code93Barcode
/usr/include/KF5/PRISON/prison/DataMatrixBarcode
/usr/include/KF5/PRISON/prison/AbstractBarcode
/usr/include/KF5/PRISON/prison/Code39Barcode
/usr/include/KF5/PRISON/prison/qrcodebarcode.h
/usr/include/KF5/PRISON/prison/datamatrixbarcode.h
/usr/include/KF5/PRISON/prison/prison_export.h
/usr/include/KF5/PRISON/prison/abstractbarcode.h
/usr/include/KF5/PRISON/prison/QRCodeBarcode