Here are the data structures with brief descriptions:

adb_alt_serv_rec
adb_audio_stream_data
adb_bat_version_rec
adb_crid_info
adb_crid_record
ADB_EVENT_LINKAGE_DESC
adb_event_rec
ADB_EXT_EVENT_LINKAGE_DESC
ADB_EXT_EVENT_LINKAGE_INFO
adb_extended_event_info
adb_favlist_rec
adb_favserv_rec
adb_icon_image
adb_linkage_desc
adb_lnb_rec
ADB_LNB_SETTINGS
adb_network_rec
adb_pmt_version_rec
adb_rct_link_info
adb_satellite_rec
adb_service_rec
adb_stream_data
adb_stream_rec
adb_string
adb_subtitle_stream_data
adb_transport_rec
adb_ttext_stream_data
ana_rf_channel_data
APP_SW_VER_STRUCT
cab_rf_channel_data
ci_host_info
ci_licence_update
ci_operator_info
ci_operator_nit
ci_operator_search
ci_query_param
ci_tune_del_sys_desc
ci_tune_service_info
clut
display_set
DVB_VER_STRUCT
epoch_region
LINK_LIST_HEADER
LINK_LIST_PTR_BLK
object
page_composition
region
region_object
S_ACB_AD_PREF
S_ACB_SUBTITLE_PREF
S_ACB_UI_INFO
S_ACTL_OWNER_INFO
s_ags_time_range
S_ALARM_INFO
s_avrec_settings
S_CIP_RELEASE_REPLY
S_CIPLUS_TUNE_DATA
s_ciplus_tune_service
s_ciplus_tune_transport
s_ebutt_font
S_EVENT_INFO
S_MANUAL_ANA_TUNING_PARAMS
S_MANUAL_CABLE_TUNING_PARAMS
S_MANUAL_SAT_TUNING_PARAMS
S_MANUAL_TERR_TUNING_PARAMS
S_MANUAL_TUNING_PARAMS
S_NW_ACCESS_POINT
S_NW_ADDR_INFO
S_NW_SOCKSET
S_OTA_CAB_TUNING_PARAMS
S_OTA_SAT_TUNING_PARAMS
S_OTA_TER_TUNING_PARAMS
S_OTA_TUNING_PARAMS
s_pvr_pid_info
S_PVR_RECORD_INFO
S_RECTANGLE
S_STB_AV_COPY_PROTECTION
S_STB_AV_VIDEO_INFO
S_STB_MP_COMPONENT_DETAILS
S_STB_MP_START_PARAMS
s_stbencode_notify_result
s_stbencode_request_memory
s_stbencode_request_source
s_timer
s_vt_options
si_aac_desc
si_ac3_desc
si_ad_desc
si_app_sig_desc
si_bat_freesat_group_name_entry
si_bat_freesat_iactive_storage_desc
si_bat_freesat_region
si_bat_freesat_region_lcn_entry
si_bat_freesat_serv_group_entry
si_bat_table
si_bat_transport_entry
si_ca_desc
si_cable_del_sys_desc
si_ciplus_service
si_component_desc
si_content_desc
si_crid_desc
si_delivery_sys_desc
si_dvb_subt_desc
si_eit_event_entry
si_eit_table
si_extended_event_desc
si_freesat_info_location
si_freesat_lcn
si_freesat_linkage_desc
si_freesat_prefix_desc
si_freesat_tunnelled_data_desc
si_fta_content_desc
si_guidance_desc
si_image_icon_desc
si_iso_lang_desc
si_linkage_desc
si_lto_desc
si_multilang_group_name_desc
si_multiling_component_desc
si_multiling_net_name_desc
si_multiling_serv_name_desc
SI_MULTILING_SHORT_NAME_DESC
si_nit_change_entry
si_nit_change_notify_desc
si_nit_message_entry
si_nit_region_name
si_nit_table
si_nit_target_region_name_desc
si_nit_transport_entry
SI_NORDIG_LCN_DESC
SI_NORDIG_SERV_LCN
si_parental_rating_desc
si_pat_service_entry
si_pat_table
si_pmt_stream_entry
si_pmt_table
si_preferred_name_desc
si_rct_link_info
si_rct_promo_text
si_rct_subtable
si_rct_subtable_data
si_rct_table
si_sat_del_sys_desc
si_sdt_service_entry
si_sdt_table
si_section_record
si_serv_attribute_desc
si_serv_avail_desc
si_serv_list_desc
si_service_move_desc
si_short_event_desc
si_string
si_t2_del_sys_cell
si_t2_del_sys_desc
si_table_record
si_target_region
si_target_region_desc
si_teletext_desc
SI_TERR_DEL_SYS
si_terr_del_sys_desc
si_time_table
T_BOOT_SW_VER_NUMBER
ter_rf_channel_data
uk_dtt_lcn_desc