---
title: IOUSBDeviceCapabilityUSB2ExtensionPtr
framework: kernel
role: symbol
role_heading: Type Alias
path: kernel/iousbdevicecapabilityusb2extensionptr
---

# IOUSBDeviceCapabilityUSB2ExtensionPtr

A pointer to a USB 2.0 extension device capability structure.

## Declaration

```occ
typedef IOUSBDeviceCapabilityUSB2Extension *IOUSBDeviceCapabilityUSB2ExtensionPtr;
```

## See Also

### Capability Descriptors

- [IOUSBPlatformCapabilityDescriptor](kernel/iousbplatformcapabilitydescriptor.md)
- [IOUSBPlatformCapabilityDescriptorPtr](kernel/iousbplatformcapabilitydescriptorptr.md)
- [IOUSBDeviceCapabilityBillboard](kernel/iousbdevicecapabilitybillboard.md)
- [IOUSBDeviceCapabilityBillboardAltConfig](kernel/iousbdevicecapabilitybillboardaltconfig.md)
- [IOUSBDeviceCapabilityBillboardAltConfigCompatibility](kernel/iousbdevicecapabilitybillboardaltconfigcompatibility.md)
- [IOUSBDeviceCapabilityBillboardAltConfigPtr](kernel/iousbdevicecapabilitybillboardaltconfigptr.md)
- [IOUSBDeviceCapabilityBillboardAltMode](kernel/iousbdevicecapabilitybillboardaltmode.md)
- [IOUSBDeviceCapabilityBillboardAltModePtr](kernel/iousbdevicecapabilitybillboardaltmodeptr.md)
- [IOUSBDeviceCapabilityBillboardPtr](kernel/iousbdevicecapabilitybillboardptr.md)
- [IOUSBDeviceCapabilityContainerID](kernel/iousbdevicecapabilitycontainerid.md)
- [IOUSBDeviceCapabilityContainerIDPtr](kernel/iousbdevicecapabilitycontaineridptr.md)
- [IOUSBDeviceCapabilityDescriptorHeader](kernel/iousbdevicecapabilitydescriptorheader.md)
- [IOUSBDeviceCapabilityDescriptorHeaderPtr](kernel/iousbdevicecapabilitydescriptorheaderptr.md)
- [IOUSBDeviceCapabilitySuperSpeedPlusUSB](kernel/iousbdevicecapabilitysuperspeedplususb.md)
- [IOUSBDeviceCapabilitySuperSpeedPlusUSBPtr](kernel/iousbdevicecapabilitysuperspeedplususbptr.md)
- [IOUSBDeviceCapabilitySuperSpeedUSB](kernel/iousbdevicecapabilitysuperspeedusb.md)
- [IOUSBDeviceCapabilitySuperSpeedUSBPtr](kernel/iousbdevicecapabilitysuperspeedusbptr.md)
- [IOUSBDeviceCapabilityUSB2Extension](kernel/iousbdevicecapabilityusb2extension.md)