Here are the data structures with brief descriptions:

Cosmo_e1dp_cas_bits	Information about CAS bits
Cosmo_e1dp_client	Internal representation of client program connected to the CTL socket
Cosmo_e1dp_intf_info	Information about an E1 interface
Cosmo_e1dp_line_config	Configuration of an E1 line
Cosmo_e1dp_line_info	Information about an E1 line
Cosmo_e1dp_msg_hdr	Message header of osmo-e1d CTL protocol
Cosmo_e1dp_ts_config	Configuration of an E1 timeslot
Cosmo_e1dp_ts_info	Information about an E1 timeslot