Reference for unit 'System': Types

`AnsiChar`		Alias for 1-byte sized char.
`Cardinal`		An unsigned 32-bits integer.
`DWord`		An unsigned 32-bits integer
`HGLOBAL`		Windows compatibility type for use in resources
`HMODULE`		Windows compatibility type for use in resources
`HRESULT`		32-Bit signed integer.
`IInterface`		Basic interface for all COM based interfaces
`Integer`		A signed 16-bits integer
`IntegerArray`		Generic array of integer.
`jmp_buf`		Record type to store processor information.
`MAKEINTRESOURCE`		Alias for the PChar type.
`PAnsiChar`		Alias for PChar type.
`PAnsiString`		Pointer to an ansistring type.
`PBoolean`		Pointer to a Boolean type.
`PByte`		Pointer to byte type
`pcalldesc`		Pointer to TCallDesc record.
`PCardinal`		Pointer to Cardinal type
`PChar`		Pointer to null-terminated string.
`PClass`		Pointer to TClass
`PCurrency`		Pointer to currency type.
`PDate`		Pointer to a TDateTime type.
`PDispatch`		Pointer to IDispatch interface type
`pdispdesc`		Pointer to tdispdesc record
`PDouble`		Pointer to double-sized float value.
`PDWord`		Pointer to DWord type
`pdynarrayindex`		Pointer to tdynarrayindex type.
`pdynarraytypeinfo`		Pointer to TDynArrayTypeInfo type.
`PError`		Pointer to an Error type.
`PEventState`		Pointer to EventState, which is an opaque type.
`PExceptObject`		Pointer to Exception handler procedural type TExceptProc
`PExtended`		Pointer to extended-sized float value.
`PGuid`		Pointer to TGUID type.
`PInt64`		Pointer to `Int64` type
`PInteger`		Pointer to integer type
`PIntegerArray`		Pointer to IntegerArray type
`pinterfaceentry`		Pointer to tinterfaceentry record.
`pinterfacetable`		Pointer to tinterfacetable record.
`PJmp_buf`		Pointer to jmp_buf record
`PLongBool`		Pointer to a `LongBool` type.
`PLongint`		Pointer to Longint type
`PLongWord`		Pointer to `LongWord` type
`PMemoryManager`		Pointer to TMemoryManager record
`PMsgStrTable`		Pointer to array of TMsgStrTable records.
`PointerArray`		Generic pointer array.
`POleVariant`		Pointer to `OleVariant` type.
`PPAnsiChar`		Alias for PPChar type.
`PPChar`		Pointer to an array of pointers to null-terminated strings.
`PPCharArray`		Pointer to TPCharArray type.
`PPDispatch`		Pointer to PDispatch pointer type
`PPointer`		Pointer to a pointer type.
`PPointerArray`		Pointer to PointerArray type
`PPPointer`		Pointer to a PPointer type.
`PPtrInt`		Pointer to PtrInt type.
`PPUnknown`		Pointer to untyped pointer
`PPWideChar`		Pointer to link id="PWideChar"> type.
`PQWord`		Pointer to `QWord` type
`PRTLCriticalSection`		Pointer to #rtl.system.TRTLCriticalSection type.
`PRTLEvent`		Pointer to RTLEvent, which is an opaque type.
`PShortInt`		Pointer to shortint type
`PShortString`		Pointer to a shortstring type.
`PSingle`		Pointer to single-sized float value.
`PSizeInt`		Pointer to a SizeInt type
`PSmallInt`		Pointer to smallint type
`pstringmessagetable`		Pointer to TStringMessageTable record.
`PText`		Pointer to text file.
`PtrInt`		Signed integer type with same size as Pointer.
`PtrUInt`		Unsigned integer type with same size as Pointer.
`PUCS2Char`		Pointer to UCS2Char character.
`PUCS4Char`		Pointer to UCS4Char
`PUCS4CharArray`		Pointer to array of UCS4Char characters.
`PUnknown`		Untyped pointer
`PUTF8String`		Pointer to UTF8String
`pvararray`		Pointer to TVarArray type.
`pvararraybound`		Pointer to tvararraybound type.
`pvararrayboundarray`		Pointer to tvararrayboundarray type.
`pvararraycoorarray`		Pointer to tvararraycoorarray type.
`pvardata`		Pointer to TVarData record.
`PVariant`		Pointer to `Variant` type.
`pvariantmanager`		Pointer to TVariantManager record.
`PVarRec`		Pointer to TVarRec type.
`PWideChar`		Pointer to WChar.
`PWideString`		Pointer to widestring type
`PWord`		Pointer to word type
`PWordBool`		Pointer to a `WordBool` type.
`Real`		Alias for real type
`real48`		TP compatible real type (6 bytes) definition
`SizeInt`		Signed integer type which fits for sizes
`SizeUInt`		Unsigned Integer type which fits for sizes
`TAbstractErrorProc`		Abstract error handler procedural type.
`TAllocateThreadVarsHandler`		Threadvar allocation callback type for TThreadManager.
`TAnsiChar`		Alias for 1-byte sized char.
`TAssertErrorProc`		Assert error handler procedural type.
`TBackTraceStrFunc`		Type for formatting of backtrace dump.
`TBasicEventCreateHandler`		callback type for creating eventstate in TThreadManager.
`TBasicEventHandler`		Generic callback type for handling eventstate in TThreadManager.
`TBasicEventWaitForHandler`		Wait for basic event callback type for TThreadManager.
`TBeginThreadHandler`		Callback for thread start in TThreadManager.
`TBoundArray`		Dynamic array of integer.
`tcalldesc`		COM/OLE dispatch call argument description.
`TClass`		Class of TObject.
`TCriticalSectionHandler`		Generic callback type for critical section handling in TThreadManager.
`TDateTime`		Encoded Date-Time type.
`tdispdesc`		COM/OLE dispatch call description.
`tdynarrayindex`		Type with the correct size for index into a dynamic array.
`tdynarraytypeinfo`		Type information for a dynamic array.
`TEndThreadHandler`		Callback for thread end in TThreadManager.
`TError`		Error type, used in variants.
`TErrorProc`		Standard error handler procedural type.
`TExceptObject`		Exception object
`TExceptProc`		Exception handler procedural type
`TextFile`		Alias for `Text` file type.
`TFPCHeapStatus`		Record describing the state of the default FPC heap manager.
`TGetCurrentThreadIdHandler`		Callback type for retrieving thread ID in TThreadManager.
`TGuid`		Standard GUID representation type.
`THandle`		Type alias.
`THeapStatus`		Record describing current heap status.
`TInitThreadVarHandler`		Threadvar initialization callback type for TThreadManager.
`TInterfacedClass`		TObject descendent implementing the IInterface interface
`tinterfaceentry`		Interfaces table entry.
`tinterfaceentrytype`		Dispatch interface entry type
`tinterfacetable`		Record to store list of interfaces of a class.
`TMemoryManager`		Record describing the current memory manager
`TMemoryMutexManager`		Record describing the mutex manager for the heap.
`TMethod`		Record describing a method.
`TMsgStrTable`		Record used in string message handler table.
`TPCharArray`		Array of PChar
`TProcedure`		Simple procedural type.
`TReleaseThreadVarsHandler`		Threadvar release callback type for TThreadManager.
`TRelocateThreadVarHandler`		Threadvar relocalization callback type for TThreadManager.
`TResourceHandle`		Handle to a resource, for use in the resource loading routines
`TRTLCreateEventHandler`		Callback type for creating a `TRTLEvent` type in TThreadManager.
`TRTLCriticalSection`		A critical section.
`TRTLEventHandler`		Generic TRTLEvent handling type for TThreadManager.
`TRTLEventHandlerTimeout`		TRTLEvent timeout handling type for TThreadManager.
`TRTLEventSyncHandler`		Callback type for event sycnhronization in TThreadManager.
`trtlmethod`		Callback type for synchronization event.
`TRuntimeError`		Type of runtime-error for the Error procedure
`TSafeCallErrorProc`		Prototype for the safecall error handler
`TSemaphoreDestroyHandler`		Function prototype for destroying a semaphore
`TSemaphorePostHandler`		Function prototype for posting an event to a semaphore
`TSemaphoreWaitHandler`		Function prototype to wait on a semaphore
`TSempahoreInitHandler`		Function prototype for initializing a semaphore
`TStringMessageTable`		String message table container for class.
`TTextLineBreakStyle`		Text line break style. (end of line character)
`TThreadFunc`		Thread function prototype
`TThreadGetPriorityHandler`		Callback type for thread priority getting in TThreadManager.
`TThreadHandler`		Generic thread handler callback for TThreadManager.
`TThreadID`		Type for Thread-IDs
`TThreadManager`		Thread manager record.
`TThreadSetPriorityHandler`		Callback type for thread priority setting in TThreadManager.
`TThreadSwitchHandler`		Callback type for thread switch in TThreadManager.
`TUCS4CharArray`		Array of UCS4Char characters.
`tvararray`		Type describing variant array
`tvararraybound`		Type describing variant array bounds.
`tvararrayboundarray`		array of tvararraybound records.
`tvararraycoorarray`		Array of variant array coordinates
`tvardata`		Variant record.
`tvariantmanager`		Record describing the variant manager.
`tvarop`		Variant operation.
`TVarRec`		Record describing an element in an array of const
`tvartype`		Type with size of variant type.
`TWaitForThreadTerminateHandler`		Callback type for thread termination in TThreadManager.
`TWideStringManager`		Record containing the various callbacks of the widestring manager.
`UCS2Char`		UCS2 unicode character.
`UCS4Char`		UCS unicode character (unsigned 32 bit word)
`UCS4String`		String of UCS4Char characters.
`UInt64`
`UTF8String`		UTF-8 unicode (ansi) string.
`ValSInt`		Val-Signed integer.
`ValUInt`		Val-unsigned integer
`WChar`		Wide char (16-bit sized char)

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