/usr/include/odil/pdu/ is in libodil0-dev 0.4.1-1.
This file is owned by root:root, with mode 0o755.
..
/usr/include/odil/pdu/AAbort.h
/usr/include/odil/pdu/AAssociate.h
/usr/include/odil/pdu/AAssociateAC.h
/usr/include/odil/pdu/AAssociateRJ.h
/usr/include/odil/pdu/AAssociateRQ.h
/usr/include/odil/pdu/AReleaseRP.h
/usr/include/odil/pdu/AReleaseRQ.h
/usr/include/odil/pdu/ApplicationContext.h
/usr/include/odil/pdu/ImplementationClassUID.h
/usr/include/odil/pdu/ImplementationVersionName.h
/usr/include/odil/pdu/Item.h
/usr/include/odil/pdu/MaximumLength.h
/usr/include/odil/pdu/Object.h
/usr/include/odil/pdu/PDataTF.h
/usr/include/odil/pdu/PresentationContext.h
/usr/include/odil/pdu/PresentationContextAC.h
/usr/include/odil/pdu/PresentationContextRQ.h
/usr/include/odil/pdu/RoleSelection.h
/usr/include/odil/pdu/UserIdentityAC.h
/usr/include/odil/pdu/UserIdentityRQ.h
/usr/include/odil/pdu/UserInformation.h
/usr/include/odil/pdu/UserInformation.txx