/usr/include/libimobiledevice/ is in libimobiledevice-dev 1.2.1~git20171128.5a854327+dfsg-0.1.
This file is owned by root:root, with mode 0o755.
..
/usr/include/libimobiledevice/afc.h
/usr/include/libimobiledevice/debugserver.h
/usr/include/libimobiledevice/diagnostics_relay.h
/usr/include/libimobiledevice/file_relay.h
/usr/include/libimobiledevice/heartbeat.h
/usr/include/libimobiledevice/house_arrest.h
/usr/include/libimobiledevice/installation_proxy.h
/usr/include/libimobiledevice/libimobiledevice.h
/usr/include/libimobiledevice/lockdown.h
/usr/include/libimobiledevice/misagent.h
/usr/include/libimobiledevice/mobile_image_mounter.h
/usr/include/libimobiledevice/mobileactivation.h
/usr/include/libimobiledevice/mobilebackup.h
/usr/include/libimobiledevice/mobilebackup2.h
/usr/include/libimobiledevice/mobilesync.h
/usr/include/libimobiledevice/notification_proxy.h
/usr/include/libimobiledevice/property_list_service.h
/usr/include/libimobiledevice/restore.h
/usr/include/libimobiledevice/sbservices.h
/usr/include/libimobiledevice/screenshotr.h
/usr/include/libimobiledevice/service.h
/usr/include/libimobiledevice/syslog_relay.h
/usr/include/libimobiledevice/webinspector.h