Class List
Here are the classes, structs, unions and interfaces with brief descriptions:
[detail level 12]
 C_CONSTRXSTRING
 C_ENVENTRY
 C_EXECIO_OPTIONS
 C_GetFileData
 C_LINE_DESCRIPTOR
 C_LL
 C_MACRO
 C_RexxConditionData
 C_RexxContextExit
 C_REXXDATETIME
 C_RexxMethodEntry
 C_RexxPackageEntry
 C_RexxQueueTime
 C_RexxRoutineEntry
 C_RXCMD_FLAGS
 C_RXCMDHST_PARM
 C_RXEXF_FLAGS
 C_RXEXFCAL_PARM
 C_RXFNC_FLAGS
 C_RXFNCCAL_PARM
 C_RXHLT_FLAGS
 C_RXHLTTST_PARM
 C_RXMSQ_FLAGS
 C_RXMSQNAM_PARM
 C_RXMSQPLL_PARM
 C_RXMSQPSH_PARM
 C_RXMSQSIZ_PARM
 C_RXOFNC_FLAGS
 C_RXOFNCCAL_PARM
 C_RXSIODTR_PARM
 C_RXSIOSAY_PARM
 C_RXSIOTRC_PARM
 C_RXSIOTRD_PARM
 C_RXSTRING
 C_RXSYSEXIT
 C_RXTRC_FLAGS
 C_RXTRCTST_PARM
 C_RXVALCALL_PARM
 C_RXVARNOVALUE_PARM
 C_SEMCONT
 C_SHVBLOCK
 C_SORT_MEM
 C_ValueDescriptor
 CAbstractCode
 CActivationFrame
 CActivationSettings
 CActivityContext
 CActivityDispatcher
 CActivityManager
 CApiContext
 Capireg_node
 CAPIServer
 CAPIServerInstance
 CAPIServerThread
 CAttributeGetterCode
 CAttributeSetterCode
 CAutoClose
 CAutoFree
 Cautomaton
 CBaseCode
 CBaseExecutable
 CBaseSortComparator
 CBitSet
 CCallbackDispatcher
 CCallContext
 CCallContextInterface
 CCalloutBlock
 CCallProgramDispatcher
 CCallRoutineDispatcher
 CClassDirective
 CClientMessage
 CCommandHandler
 CCommandHandlerDispatcher
 CConcurrencyInfos
 CConcurrencyInfosCollectorInitializer
 CConstantGetterCode
 CContextCommandHandlerDispatcher
 CContextExitHandlerDispatcher
 CcopyElementParm
 CCPPCode
 CDataQueue
 CDeadObject
 CDeadObjectPool
 CdoubleQueue
 CExitContext
 CExitContextInterface
 CExitHandler
 CExitHandlerDispatcher
 CExtensionDirective
 CFlagSet
 CGlobalProtectedObject
 CGuardLock
 CInstanceApiContext
 CInstanceBlock
 CInstanceContext
 CInternalActivationFrame
 CInterpreter
 CInterpreterInstance
 CKeywordEntry
 CLargeSegmentSet
 CLibraryDirective
 CLibraryLoaderDispatcher
 CLibraryPackage
 CLibraryUnloaderDispatcher
 Clistentry
 CLocalAPIContext
 CLocalAPIManager
 CLocalAPISubsystem
 CLocalMacroSpaceManager
 CLocalQueueManager
 CLocalRegistrationManager
 CLock
 CMacroItem
 CMacroSpaceDescriptor
 CMacroSpaceFile
 CMacroSpaceFileHeader
 CMacroTable
 CManagedRxstring
 CMemorySegment
 CMemorySegmentHeader
 CMemorySegmentPool
 CMemorySegmentPoolHeader
 CMemorySegmentSet
 CMemoryStats
 CMessageDispatcher
 CMethodContext
 CMethodContextInterface
 CmsgEntry
 CNamedArgument
 CNamedArguments
 CNameTable
 CNativeActivationFrame
 CNativeContextBlock
 CNormalSegmentSet
 CNumericFormatter
 CNumerics
 CNumericSettings
 CObjectHeader
 CObjectStats
 COldSpaceSegmentSet
 CPackageClass
 CPackageManager
 CParseAction
 CParseActivationFrame
 CPartitionBounds
 CProgramMetaData
 CProtectedObject
 CProtectedSet
 CQueueItem
 CQueueTable
 CRegisteredRoutine
 CRegistrationData
 CRegistrationTable
 CRequiresDirective
 CResourceSection
 CRexxActivation
 CRexxActivationBase
 CRexxActivationFrame
 CRexxActivationFrameBuffer
 CRexxActivationStack
 CRexxActivity
 CRexxArray
 CRexxBehaviour
 CRexxBinaryOperator
 CRexxBlock
 CRexxBlockInstruction
 CRexxBuffer
 CRexxBufferBase
 CRexxCallContext_
 CRexxClass
 CRexxClause
 CRexxClosure
 CRexxCode
 CRexxCompoundElement
 CRexxCompoundTable
 CRexxCompoundTail
 CRexxCompoundVariable
 CRexxCondition
 CRexxContext
 CRexxContextEnvironment
 CRexxDateTime
 CRexxDirective
 CRexxDirectory
 CRexxDoBlock
 CRexxDotVariable
 CRexxEnvelope
 CRexxExitContext_
 CRexxExpressionFunction
 CRexxExpressionList
 CRexxExpressionLogical
 CRexxExpressionMessage
 CRexxExpressionOperator
 CRexxExpressionStack
 CRexxHashTable
 CRexxHashTableCollection
 CRexxIdentityTable
 CRexxInstance_
 CRexxInstanceInterface
 CRexxInstruction
 CRexxInstructionAddress
 CRexxInstructionAssignment
 CRexxInstructionCall
 CRexxInstructionCallBase
 CRexxInstructionCommand
 CRexxInstructionDo
 CRexxInstructionDrop
 CRexxInstructionElse
 CRexxInstructionEnd
 CRexxInstructionEndIf
 CRexxInstructionExit
 CRexxInstructionExpose
 CRexxInstructionExpression
 CRexxInstructionForward
 CRexxInstructionGuard
 CRexxInstructionIf
 CRexxInstructionInterpret
 CRexxInstructionLabel
 CRexxInstructionLeave
 CRexxInstructionMessage
 CRexxInstructionNop
 CRexxInstructionNumeric
 CRexxInstructionOptions
 CRexxInstructionOtherwise
 CRexxInstructionParse
 CRexxInstructionProcedure
 CRexxInstructionQueue
 CRexxInstructionRaise
 CRexxInstructionReply
 CRexxInstructionReturn
 CRexxInstructionSay
 CRexxInstructionSelect
 CRexxInstructionSet
 CRexxInstructionSignal
 CRexxInstructionThen
 CRexxInstructionTrace
 CRexxInstructionUpper
 CRexxInstructionUseStrict
 CRexxInteger
 CRexxIntegerClass
 CRexxInternalObject
 CRexxInternalStack
 CRexxLibraryPackage
 CRexxList
 CRexxListTable
 CRexxLocal
 CRexxLocalVariables
 CRexxMemory
 CRexxMessage
 CRexxMethod
 CRexxMethodContext_
 CRexxMutableBuffer
 CRexxMutableBufferClass
 CRexxNativeActivation
 CRexxNativeCode
 CRexxNativeMethod
 CRexxNativeRoutine
 CRexxNilObject
 CRexxNumberString
 CRexxNumberStringBase
 CRexxObject
 CRexxOption
 CRexxParseVariable
 CRexxPointer
 CRexxQueue
 CRexxRegisteredEnvironment
 CRexxRelation
 CRexxRoutine
 CRexxSaveStack
 CRexxSmartBuffer
 CRexxSource
 CRexxSourceLiteral
 CRexxStack
 CRexxStartDispatcher
 CRexxStem
 CRexxStemVariable
 CRexxString
 CRexxSupplier
 CRexxSupplierClass
 CRexxTable
 CRexxTarget
 CRexxText
 CRexxTextClass
 CRexxThreadContext_
 CRexxThreadInterface
 CRexxToken
 CRexxTrigger
 CRexxUnaryOperator
 CRexxVariable
 CRexxVariableBase
 CRexxVariableDictionary
 CRexxVariableReference
 CRexxVirtualBase
 CRoutineClass
 CRxSemData
 CRxStemData
 CRxstring
 CRxTreeData
 CSecurityManager
 CSegmentStats
 Csemun
 CServerLock
 CServerMacroSpaceManager
 CServerQueueManager
 CServerRegistrationManager
 CServiceException
 CServiceMessage
 CServiceRegistrationData
 CSessionCookie
 CSortData
 CSourceLocation
 CStackFrameClass
 CStemManager
 CStreamInfo
 CStreamToken
 CStringUtil
 CSysActivity
 CSysAPIManager
 CSysClientStream
 CSysFile
 CSysFileIterator
 CSysFileSystem
 CSysInterpreterInstance
 CSysLibrary
 CSysLocalAPIManager
 CSysMutex
 CSysProcess
 CSysSearchPath
 CSysSemaphore
 CSysServerConnection
 CSysServerStream
 CSysSocketConnection
 CSystemInterpreter
 CSysThread
 Ctabentry
 Ctimezone
 CTokenDefinition
 CTranslateDispatcher
 CTranslateInstoreDispatcher
 CTrappingDispatcher
 CTrigFormatter
 CUnicode
 CUninitDispatcher
 CUnsafeBlock
 CUseVariable
 CUtilities
 CWeakReference
 CWithSortComparator
 Cyyalloc
 CYYSTYPE