This inheritance list is sorted roughly, but not completely, alphabetically:

[detail level 12]

ADPCM
AGCBOX
ANA_IFACE
AU
Audio	Base class for play/record state
Play	`Audio` playback state data
Record	`Audio` recording state data
AUDIO_THREAD_MULTI
baseHipData
HipDataPCI
HipDataPCI
ToneGen::Config::Cadence	Data storage for a `ToneGen` cadence component
CALL
callhis
CARD_LIST
COFF_FILE
Comm
Compression
ADPCMCompression
LinearCompression
PCMCompression
CON_THREAD_INFO
CONF_INFO
ToneGen::Config	`ToneGen` configuration data structure
Country	Container type for country specific data
cref_info
DATA
DchannelData
DigitCollect
DTMF_DIGIT
ERROR
std::exception	STL class
ToneGen::Exception	`ToneGen` runtime exception type
VpbException	VPB api runtime exception type
FACT
Fifo	Abstract base type for Fifo implementations
HostFifo	Host fifo implementation
V4PCIDspFifo
FILHEADER
FMT
ToneGen::Config::Freq	Data storage for a `ToneGen` frequency component
GENERIC_CRITICAL_SECTION
Hip
HostDSP	Base class for host processor based card types
OpenPri
V4PCI_DSP	DSP interface implementation for OpenLine cards
VTCore	Support for cards using the `vtcore` driver
llc_cat
llc_list
llc_var
LogThread
LOOPSENSE
OBJS
OL_CARD
OL_INFO
OP_CARD
OP_INFO
OPT_FILHEADER
PLAY_FILE_ASYNC_ARGS	Data for `play_file_async_thread()`
pri_chan
PRI_IFACE
RECORD_FILE_ASYNC_ARGS	Data for `record_file_async_thread()`
ScopedMutex	Simple exception safe mutex sentinel
SECTION_HEADER
soft_bridge_info
SYMBOL_ENTRY
Timer	Simple time tracking class
TMRS
TONE	Structure to map tones to an identifying character in a dial string
TONE_INFO
ToneGen	Base type for the programmable tone generator interface
HostToneGen	Host based tone generator implementation
V4PCIToneGen	`V4PCI` tone generator specialisation
VLOG
VOXCONFIG
voxstate
VPB_CALL
VPB_CALL_INFO
VPB_CARD_INFO	Container type for data returned by `vpb_get_card_info()`
VPB_CID	Container type for caller id data
VPB_CID_JP
VPB_DATA
VPB_DETECT	Container for programmable tone detector parameters
VPB_DEV	Container type for device information
VPB_DIGITS	Digit collection parameters
VPB_EVENT	Container for VPB event data
VPB_PLAY	Port playback parameters
VPB_RECORD	Port recording parameters
VPB_STRAN	Cadence state transition data for `VPB_DETECT`
VPB_TONE	Tone definition structure
VPB_TONE_MAP
VPB_VLOG	Additional data that may be included in a wav file
VPB_VOX
VPBHANDLE	Lookup table element for mapping vpb handles to a port on boardnum
VPBREG	The DSP program "registry" info for each board
VPBRegister
VT_DATA
VT_REG_RW
VTCORE_CARD
vtcore_chan
VTCORE_INFO
WAVE
WFILE
Wobbly
wrapper_s