---
title: kIOUSBDescriptorSizeDeviceQualifier
framework: usbdriverkit
role: symbol
role_heading: Enumeration Case
path: usbdriverkit/tiousbdescriptorsize/kiousbdescriptorsizedevicequalifier
---

# kIOUSBDescriptorSizeDeviceQualifier

The size of a device qualifier descriptor.

## Declaration

```occ
kIOUSBDescriptorSizeDeviceQualifier
```

## See Also

### Getting the Descriptor Size

- [kIOUSBDescriptorHeaderSize](usbdriverkit/tiousbdescriptorsize/kiousbdescriptorheadersize.md)
- [kIOUSBDescriptorSizeDevice](usbdriverkit/tiousbdescriptorsize/kiousbdescriptorsizedevice.md)
- [kIOUSBDescriptorSizeConfiguration](usbdriverkit/tiousbdescriptorsize/kiousbdescriptorsizeconfiguration.md)
- [kIOUSBDescriptorSizeInterface](usbdriverkit/tiousbdescriptorsize/kiousbdescriptorsizeinterface.md)
- [kIOUSBDescriptorSizeEndpoint](usbdriverkit/tiousbdescriptorsize/kiousbdescriptorsizeendpoint.md)
- [kIOUSBDescriptorSizeStringMinimum](usbdriverkit/tiousbdescriptorsize/kiousbdescriptorsizestringminimum.md)
- [kIOUSBDescriptorSizeStringMaximum](usbdriverkit/tiousbdescriptorsize/kiousbdescriptorsizestringmaximum.md)
- [kIOUSBDescriptorSizeInterfaceAssociation](usbdriverkit/tiousbdescriptorsize/kiousbdescriptorsizeinterfaceassociation.md)
- [kIOUSBDescriptorSizeBOS](usbdriverkit/tiousbdescriptorsize/kiousbdescriptorsizebos.md)
- [kIOUSBDescriptorSizeDeviceCapability](usbdriverkit/tiousbdescriptorsize/kiousbdescriptorsizedevicecapability.md)
- [kIOUSBDescriptorSizeUSB20ExtensionCapability](usbdriverkit/tiousbdescriptorsize/kiousbdescriptorsizeusb20extensioncapability.md)
- [kIOUSBDescriptorSizeSuperSpeedUSBDeviceCapability](usbdriverkit/tiousbdescriptorsize/kiousbdescriptorsizesuperspeedusbdevicecapability.md)
- [kIOUSBDescriptorSizeContainerIDCapability](usbdriverkit/tiousbdescriptorsize/kiousbdescriptorsizecontaineridcapability.md)
- [kIOUSBDescriptorSizeHubMinimum](usbdriverkit/tiousbdescriptorsize/kiousbdescriptorsizehubminimum.md)
- [kIOUSBDescriptorSizeHubMaximum](usbdriverkit/tiousbdescriptorsize/kiousbdescriptorsizehubmaximum.md)