/usr/include/ is in liballjoyn-c-dev-1504 15.04b-8.
This file is owned by root:root, with mode 0o755.
..
/usr/include/x86_64-linux-gnu/
/usr/include/x86_64-linux-gnu/alljoyn_c/
/usr/include/x86_64-linux-gnu/alljoyn_c/AboutData.h
/usr/include/x86_64-linux-gnu/alljoyn_c/AboutDataListener.h
/usr/include/x86_64-linux-gnu/alljoyn_c/AboutIcon.h
/usr/include/x86_64-linux-gnu/alljoyn_c/AboutIconObj.h
/usr/include/x86_64-linux-gnu/alljoyn_c/AboutIconProxy.h
/usr/include/x86_64-linux-gnu/alljoyn_c/AboutListener.h
/usr/include/x86_64-linux-gnu/alljoyn_c/AboutObj.h
/usr/include/x86_64-linux-gnu/alljoyn_c/AboutObjectDescription.h
/usr/include/x86_64-linux-gnu/alljoyn_c/AboutProxy.h
/usr/include/x86_64-linux-gnu/alljoyn_c/AjAPI.h
/usr/include/x86_64-linux-gnu/alljoyn_c/AuthListener.h
/usr/include/x86_64-linux-gnu/alljoyn_c/BusAttachment.h
/usr/include/x86_64-linux-gnu/alljoyn_c/BusListener.h
/usr/include/x86_64-linux-gnu/alljoyn_c/BusObject.h
/usr/include/x86_64-linux-gnu/alljoyn_c/DBusStdDefines.h
/usr/include/x86_64-linux-gnu/alljoyn_c/Init.h
/usr/include/x86_64-linux-gnu/alljoyn_c/InterfaceDescription.h
/usr/include/x86_64-linux-gnu/alljoyn_c/KeyStoreListener.h
/usr/include/x86_64-linux-gnu/alljoyn_c/Message.h
/usr/include/x86_64-linux-gnu/alljoyn_c/MessageReceiver.h
/usr/include/x86_64-linux-gnu/alljoyn_c/MsgArg.h
/usr/include/x86_64-linux-gnu/alljoyn_c/Observer.h
/usr/include/x86_64-linux-gnu/alljoyn_c/PasswordManager.h
/usr/include/x86_64-linux-gnu/alljoyn_c/ProxyBusObject.h
/usr/include/x86_64-linux-gnu/alljoyn_c/Session.h
/usr/include/x86_64-linux-gnu/alljoyn_c/SessionListener.h
/usr/include/x86_64-linux-gnu/alljoyn_c/SessionPortListener.h
/usr/include/x86_64-linux-gnu/alljoyn_c/Status.h
/usr/include/x86_64-linux-gnu/alljoyn_c/TransportMask.h
/usr/include/x86_64-linux-gnu/alljoyn_c/version.h