Here are the data structures with brief descriptions:

C_header
CAFDXResidentMessage
CAFDXSymbolDef
CARINC429LabelProperties
CARINCTable
CBoardUserHookMappingDefn
CCalibrationEntry
CCANIdProperties
CCANTable
Cccur_fgetsLine
CCIGIResidentMessage
CCPMFIOProperties
CEUConversion
CFDXResidentMessage
CHardwareConfig
CHardWareRecord
CHOTASX56Properties
CIOAFDXMessage
CIOAFDXVirtualLink
CIOARINC429ChannelDef
CIOArionObject
CIOBoardDef
CIOCIGIMessage
CIODDC1553Message
CIOFDXMessage
CIOFlexRayMessage
CIOHITV370Property
CIOMemoryRegion
CIONETMessage
CIORS232Message
CIORtadbMessage
CIOSerialBoardDef
CIOSerialChannelDef
CIOUDPHeader
CIOUDPMessage
CItemValue
CItemValueDef
CItemValueDefScalar
CItemValueScalar
CJ1939PGNProperties
CJ1939Table
CJoyStickProperties
CLINIdProperties
CLINTable
CModelExchange
CModelExchangeEntry
CNAI79C3E7Properties
CNAI79C3SF6ChannelProperties
CNAI79C3SF6ModuleProperties
CNAI79C3SF6Properties
CNETResidentMessage
COLicenseThreadManagerData
CPWM1012Properties
CPWM1112Properties
CRawValue
CRTDBItem
CRTDBItemAux
CRTDBItemData
CRTDBItemInitCondition
CRTDBItemLogging
CRTDBItemMeta
CRTDBItemMetaMappingPair
CRTDBItemMetaPair
CRTDBItemPair
CRTDBItemValuePair
CRTDBMetaInfo
CRTDBSpareItem
CRTDBSpareItemTable
CRTDBStructDef
CRTDBStructTable
CRTMAPSProps
CRTMAPSResidentMessage
CScriptStdIO
CSENTChannelProperties
CSENTIdProperties
CSENTProperties
CSENTTable
CSerialBinaryMessage
CUDPResidentMessage