---
title: IO_OBJECT_NULL
framework: IOKit
role: symbol
role_heading: Global Variable
platforms: [iOS 16.0+, iPadOS 16.0+, Mac Catalyst 13.0+, macOS 10.4+, visionOS 1.0+]
path: iokit/io_object_null
---

# IO_OBJECT_NULL

## Declaration

```swift
var IO_OBJECT_NULL: io_object_t { get }
```