---
title: bInterfaceCount
framework: IOKit
role: symbol
role_heading: Instance Property
platforms: [Mac Catalyst 13.0+, macOS 10.3+]
path: iokit/iousbinterfaceassociationdescriptor/1426355-binterfacecount
---

# bInterfaceCount

## Declaration

```occ
uint8_t bInterfaceCount;
```