/usr/include/libesg/ is in dvb-apps 1.1.1+rev1500-1.2.
This file is owned by root:root, with mode 0o755.
..
/usr/include/libesg/bootstrap/
/usr/include/libesg/bootstrap/access_descriptor.h
/usr/include/libesg/bootstrap/provider_discovery_descriptor.h
/usr/include/libesg/encapsulation/
/usr/include/libesg/encapsulation/container.h
/usr/include/libesg/encapsulation/data_repository.h
/usr/include/libesg/encapsulation/fragment_management_information.h
/usr/include/libesg/encapsulation/string_repository.h
/usr/include/libesg/representation/
/usr/include/libesg/representation/encapsulated_textual_esg_xml_fragment.h
/usr/include/libesg/representation/init_message.h
/usr/include/libesg/representation/textual_decoder_init.h
/usr/include/libesg/transport/
/usr/include/libesg/transport/session_partition_declaration.h
/usr/include/libesg/types.h