IOFourCharCode
Declaration
typedef UInt32 IOFourCharCode;See Also
Common Types
IOAccelBoundsIOAccelDeviceRegionIOAccelIDIOAccelSizeIOAccelSurfaceInformationIOAccelSurfaceReadDataIOAccelSurfaceScalingIOAddressRangeIOAddressSegmentIOAlignmentIOAppleTimingIDIOAsyncMethodIOBlockStorageDeviceExtentIOBlockStorageProvisionDeviceExtentIOByteCountIOByteCount32IOByteCount64IOCSRKeyTypeIOCacheModeIOColorComponentIOColorEntryIOCommandCodeIOCommandIDIOCommandKindIOConfigKeyTypeIODMAMapPageListIODMAMapSpecificationIODTCompareAddressCellFuncIODTNVLocationFuncIODataQueueClientDequeueEntryBlockIODataQueueClientEnqueueEntryBlockIODebuggerLinkStatusHandlerIODebuggerRxHandlerIODebuggerSetModeHandlerIODebuggerTxHandlerIODetailedTimingInformationIODetailedTimingInformationV1IODetailedTimingInformationV2IODispatchBlockIODispatchFunctionIODispatchLogFunctionIODispatchQueueCancelHandlerIODispatchQueueNameIODispatchSourceCancelHandlerIODisplayModeIDIODisplayModeInformationIODisplayProductIDIODisplayScalerInformationIODisplayTimingRangeIODisplayTimingRangeV1IODisplayTimingRangeV2IODisplayVendorIDIOEnetMulticastModeIOEnetPromiscuousModeIOEthernetAddressIOExternalAsyncMethodIOExternalMethodIOExternalMethodActionIOExternalMethodArgumentsIOExternalMethodDispatchIOExternalTrapIOFBCursorRefIOFBDPLinkConfigIOFBDisplayModeDescriptionIOFBHDRMetaDataIOFBHDRMetaDataV1IOFBInterruptProcIOFixedIOFixed1616IOFixedPoint32IOFramebufferNotificationHandlerIOFramebufferNotificationNotifyIOGBoundsIOGPointIOGSizeIOHardwareCursorDescriptorIOHardwareCursorInfoIOIndexIOInterruptActionIOInterruptActionBlockIOInterruptDispatchSourcePayloadIOInterruptHandlerIOInterruptStateIOInterruptVectorNumberIOItemCountIOLockIOLogicalAddressIOMediaAttributeMaskIOMediaStateIOMessageIOMethodIONDRVControlParametersIONVRAMDescriptorIONamedValueIONotificationRefIOOptionBitsIOOutputActionIOPCIDeviceConfigHandlerIOPCIEventIOPCIPhysicalAddressIOPMCalendarStructIOPMDriverAssertionIDIOPMDriverAssertionLevelIOPMDriverAssertionTypeIOPMSettingControllerCallbackIOPhysicalAddressIOPhysicalAddress32IOPhysicalAddress64IOPhysicalLengthIOPhysicalLength32IOPhysicalLength64IOPhysicalRangeIOPixelApertureIOPixelEncodingIOPixelInformationIOPowerStateChangeNotificationIOPropertyNameIORPCIORPCMessageIORPCMessageErrorReturnIORPCMessageErrorReturnContentIORPCMessageMachIORWLockIORangeScalarIORecursiveLockIORegistryEntryApplierFunctionIORegistryPlaneNameIOReportCategoriesIOReportConfigureActionIOReportFormatIOReportQuantityIOReportScaleFactorIOReportUnitIOReportUnitsIOReportUpdateActionIOReturnIOSelectIOServiceIOServiceApplierFunctionIOServiceInterestContent64IOServiceInterestHandlerIOServiceInterestHandlerBlockIOServiceMatchingNotificationHandlerIOServiceMatchingNotificationHandlerBlockIOServiceNameIOServiceNotificationBlockIOServiceNotificationHandlerIOSimpleLockIOStorageAccessIOStorageAttributesIOStorageCompletionIOStorageCompletionActionIOStorageExtentIOStorageGetProvisionStatusOptionsIOStorageOptionsIOStoragePriorityIOStorageProvisionExtentIOStorageSynchronizeOptionsIOStorageUnmapOptionsIOStreamModeIOThreadIOThreadFuncIOTimeStampIntervalConstantFilteredIOTimingInformationIOTrackingCallSiteInfoIOTrapIOUserClientAsyncArgumentsArrayIOUserClientAsyncReferenceArrayIOUserClientMethodArgumentsIOUserClientMethodDispatchIOUserClientMethodFunctionIOUserClientScalarArrayIOVersionIOVideoDeviceNotificationIOVideoDeviceNotificationMessageIOVideoStreamDescriptionIOVirtualAddressIOVirtualRange