---
title: "StandardUSB::DeviceQualifierDescriptor"
framework: Kernel
role: symbol
role_heading: Structure
platforms: [macOS 12.0+]
path: kernel/standardusb_devicequalifierdescriptor
---

# StandardUSB::DeviceQualifierDescriptor

## Declaration

```occ
typedef struct StandardUSB::DeviceQualifierDescriptor {
    ...
} StandardUSB::DeviceQualifierDescriptor;
```

## Topics

### Instance Properties

- [bDeviceClass](kernel/standardusb_devicequalifierdescriptor/3794074-bdeviceclass.md)
- [bDeviceProtocol](kernel/standardusb_devicequalifierdescriptor/3794075-bdeviceprotocol.md)
- [bDeviceSubClass](kernel/standardusb_devicequalifierdescriptor/3794076-bdevicesubclass.md)
- [bMaxPacketSize0](kernel/standardusb_devicequalifierdescriptor/3794077-bmaxpacketsize0.md)
- [bNumConfigurations](kernel/standardusb_devicequalifierdescriptor/3794078-bnumconfigurations.md)
- [bReserved](kernel/standardusb_devicequalifierdescriptor/3794079-breserved.md)
- [bcdUSB](kernel/standardusb_devicequalifierdescriptor/3794080-bcdusb.md)