Here are the data structures with brief descriptions:

C__attribute__
CARDATA
CBMP_HEAD
CBMP_INFO
CDirEntry
CElf32_Ehdr
CElf32_Phdr
CElf32_Shdr
CElf32_Sym
Cezxml
CHASH
CMATCHDATA
CMD5_CTX
CtAlphaLUT
CTAPCOM_InternalMesBuf
CtAudioTracks
CtAudioTrk
CtAutoDescrambleTimer
CtBig5Translation
CtBIOSType
CtBuffer
CtButtons
CtCallTraceStack
CtCallTraceStats
CtDirEntry
CtEPGFilter
CtEventQueue
CtEventQueueDetails
CtextPartitionInfo
CtFavorites
CtFavorites1050
CtFlashLNB
CtFlashSatTable
CtFlashService
CtFlashTimeInfo
CtFlashTimer
CtFlashTransponderTable
CtFMUC_MemDebug
CtFontData
CtFontDataUC
CtFontDef
CtFontDefUC
CtFWDATHeader
CtFWInfo
CtGlyphCacheUC
CtHddRecordFile
CtinfBlock
CtItem
CtLogoData
CtMenu
CtMessageBox
CtnavHD
CtnavSD
CtOSDMapInfo
CtOSDMenuKeyboard_Buttons
CtPSBuffer
CtRECHeaderInfo
Ctstat64
CtStringDB
CtTAPInfo
CtTFRPlusHdr
CtTMSTAPTaskTable
CtToppyInfo
CtTreeEntry
CTYPE_AutoDescrambleTimer
CTYPE_CRONTAB
CTYPE_EPGInfo
CTYPE_EvtInfo
CTYPE_Parametered_Tap
CTYPE_SatInfo_TMSC
CTYPE_SatInfo_TMST
CTYPE_Service_TMSS