---
title: GetAlternateSetting
framework: IOKit
role: symbol
role_heading: Instance Property
platforms: [Mac Catalyst 18.4+, macOS 10.14+]
path: iokit/iousbinterfaceinterface942/2977200-getalternatesetting
---

# GetAlternateSetting

## Declaration

```occ
IOReturn (*GetAlternateSetting)(void *self, UInt8 *intfAltSetting);
```