---
title: kIOUSBDescriptorSizeInterface
framework: IOKit
role: symbol
role_heading: Enumeration Case
platforms: [Mac Catalyst 13.0+, macOS 10.15+]
path: iokit/tiousbdescriptorsize/kiousbdescriptorsizeinterface
---

# kIOUSBDescriptorSizeInterface

## Declaration

```occ
kIOUSBDescriptorSizeInterface = 9
```