---
title: bInterfaceCount
framework: kernel
role: symbol
role_heading: Instance Property
path: kernel/iousbinterfaceassociationdescriptor/1545905-binterfacecount
---

# bInterfaceCount

The number of interfaces.

## Declaration

```occ
uint8_t bInterfaceCount;
```

## See Also

### Getting the Properties

- [bLength](kernel/iousbinterfaceassociationdescriptor/1545909-blength.md)
- [bDescriptorType](kernel/iousbinterfaceassociationdescriptor/1546180-bdescriptortype.md)
- [bFirstInterface](kernel/iousbinterfaceassociationdescriptor/1546445-bfirstinterface.md)
- [bFunctionClass](kernel/iousbinterfaceassociationdescriptor/1546273-bfunctionclass.md)
- [bFunctionSubClass](kernel/iousbinterfaceassociationdescriptor/1546578-bfunctionsubclass.md)
- [bFunctionProtocol](kernel/iousbinterfaceassociationdescriptor/1546423-bfunctionprotocol.md)
- [iFunction](kernel/iousbinterfaceassociationdescriptor/1546285-ifunction.md)