Here are the data structures with brief descriptions:

[detail level 12]

_vbi_idl_demux
_vbi_log_hook
_vbi_pfc_demux
_vbi_xds_demux
_vbi_xds_subpacket
caption
cc_channel
event_handler
ttx_ait_title
ttx_ext_fallback
ttx_extension
ttx_lop
ttx_magazine
ttx_page_link
ttx_page_stat
ttx_pop_link
ttx_triplet
vbi_aspect_ratio	Information about the picture aspect ratio and open subtitles
vbi_bit_slicer	Bit slicer context
vbi_capture
vbi_capture_buffer
vbi_channel_profile	Proxy scheduler parameters for background channel switching
vbi_char	Attributed character
vbi_cni_entry
vbi_decoder
vbi_event	Event union
vbi_export
vbi_export_class
vbi_export_info	Information about an export module
vbi_font_descr
vbi_link
vbi_network	Network description
vbi_option_info	Information about an export option
vbi_option_value	Result of an option query
vbi_option_value_ptr	Option menu types
vbi_page	Formatted Teletext or Closed Caption page
vbi_pfc_block	One block of data returned by vbi_pfc_demux_cb()
vbi_program_info
vbi_raw_decoder	Raw vbi decoder context
_vbi_raw_decoder_job
vbi_sliced	This structure holds one scan line of sliced vbi data
vbi_xds_packet	XDS Packet. A pointer to this structure is passed to the XDS demux callback
VBIPROXY_CHN_CHANGE_IND
VBIPROXY_CHN_IOCTL_CNF
VBIPROXY_CHN_IOCTL_REJ
VBIPROXY_CHN_IOCTL_REQ
VBIPROXY_CHN_NOTIFY_CNF
VBIPROXY_CHN_NOTIFY_REQ
VBIPROXY_CHN_RECLAIM_CNF
VBIPROXY_CHN_RECLAIM_REQ
VBIPROXY_CHN_SUSPEND_CNF
VBIPROXY_CHN_SUSPEND_REJ
VBIPROXY_CHN_SUSPEND_REQ
VBIPROXY_CHN_TOKEN_CNF
VBIPROXY_CHN_TOKEN_IND
VBIPROXY_CHN_TOKEN_REQ
VBIPROXY_CONNECT_CNF
VBIPROXY_CONNECT_REJ
VBIPROXY_CONNECT_REQ
VBIPROXY_DAEMON_PID_CNF
VBIPROXY_DAEMON_PID_REQ
VBIPROXY_MAGICS
VBIPROXY_MSG
VBIPROXY_MSG_BODY
VBIPROXY_MSG_HEADER
VBIPROXY_MSG_STATE
VBIPROXY_SERVICE_CNF
VBIPROXY_SERVICE_REJ
VBIPROXY_SERVICE_REQ
VBIPROXY_SLICED_IND
xds_sub_packet