---
title: Interface SubClass
framework: IOKit
role: containerSymbol
role_heading: Enumeration
platforms: [Mac Catalyst 18.4+, macOS 10.0+]
path: iokit/1424847-interface_subclass
---

# Interface SubClass

## Declaration

```occ
enum : unsigned int {
    ...
};
```

## Topics

### Constants

- [kUSBATMNetworkingSubClass](1424847-interface_subclass/kusbatmnetworkingsubclass.md)
- [kUSBAudioControlSubClass](1424847-interface_subclass/kusbaudiocontrolsubclass.md)
- [kUSBAudioStreamingSubClass](1424847-interface_subclass/kusbaudiostreamingsubclass.md)
- [kUSBCommAbstractSubClass](1424847-interface_subclass/kusbcommabstractsubclass.md)
- [kUSBCommCAPISubClass](1424847-interface_subclass/kusbcommcapisubclass.md)
- [kUSBCommDirectLineSubClass](1424847-interface_subclass/kusbcommdirectlinesubclass.md)
- [kUSBCommEthernetNetworkingSubClass](1424847-interface_subclass/kusbcommethernetnetworkingsubclass.md)
- [kUSBCommMultiChannelSubClass](1424847-interface_subclass/kusbcommmultichannelsubclass.md)
- [kUSBCommTelephoneSubClass](1424847-interface_subclass/kusbcommtelephonesubclass.md)
- [kUSBCommonClassSubClass](1424847-interface_subclass/kusbcommonclasssubclass.md)
- [kUSBCompositeSubClass](1424847-interface_subclass/kusbcompositesubclass.md)
- [kUSBDFUSubClass](1424847-interface_subclass/kusbdfusubclass.md)
- [kUSBHIDBootInterfaceSubClass](1424847-interface_subclass/kusbhidbootinterfacesubclass.md)
- [kUSBHubSubClass](1424847-interface_subclass/kusbhubsubclass.md)
- [kUSBIrDABridgeSubClass](1424847-interface_subclass/kusbirdabridgesubclass.md)
- [kUSBMIDIStreamingSubClass](1424847-interface_subclass/kusbmidistreamingsubclass.md)
- [kUSBMassStorageATAPISubClass](1424847-interface_subclass/kusbmassstorageatapisubclass.md)
- [kUSBMassStorageQIC157SubClass](1424847-interface_subclass/kusbmassstorageqic157subclass.md)
- [kUSBMassStorageRBCSubClass](1424847-interface_subclass/kusbmassstoragerbcsubclass.md)
- [kUSBMassStorageSCSISubClass](1424847-interface_subclass/kusbmassstoragescsisubclass.md)
- [kUSBMassStorageSFF8070iSubClass](1424847-interface_subclass/kusbmassstoragesff8070isubclass.md)
- [kUSBMassStorageUFISubClass](1424847-interface_subclass/kusbmassstorageufisubclass.md)
- [kUSBRFControllerSubClass](1424847-interface_subclass/kusbrfcontrollersubclass.md)
- [kUSBReprogrammableDiagnosticSubClass](1424847-interface_subclass/kusbreprogrammablediagnosticsubclass.md)
- [kUSBTestMeasurementSubClass](1424847-interface_subclass/kusbtestmeasurementsubclass.md)
- [kUSBVideoControlSubClass](1424847-interface_subclass/kusbvideocontrolsubclass.md)
- [kUSBVideoInterfaceCollectionSubClass](1424847-interface_subclass/kusbvideointerfacecollectionsubclass.md)
- [kUSBVideoStreamingSubClass](1424847-interface_subclass/kusbvideostreamingsubclass.md)