---
title: bNumberPorts
framework: usbdriverkit
role: symbol
role_heading: Instance Property
path: usbdriverkit/iousb20hubdescriptor/bnumberports
---

# bNumberPorts

## Declaration

```occ
uint8_t bNumberPorts;
```

## See Also

### Accessing the Descriptor Properties

- [bLength](usbdriverkit/iousb20hubdescriptor/blength.md)
- [bDescriptorType](usbdriverkit/iousb20hubdescriptor/bdescriptortype.md)
- [wHubCharacteristics](usbdriverkit/iousb20hubdescriptor/whubcharacteristics.md)
- [bPowerOnToPowerGood](usbdriverkit/iousb20hubdescriptor/bpowerontopowergood.md)
- [bHubControllerCurrent](usbdriverkit/iousb20hubdescriptor/bhubcontrollercurrent.md)
- [deviceRemovable](usbdriverkit/iousb20hubdescriptor/deviceremovable.md)
- [reserved](usbdriverkit/iousb20hubdescriptor/reserved.md)