---
title: "IOCFUnserializeBinary(_:_:_:_:_:)"
framework: IOKit
role: symbol
role_heading: Function
platforms: [iOS 18.4+, iPadOS 18.4+, Mac Catalyst 13.0+, macOS 10.10+, visionOS 2.4+]
path: iokit/1514876-iocfunserializebinary
---

# IOCFUnserializeBinary(_:_:_:_:_:)

## Declaration

```swift
func IOCFUnserializeBinary(_ buffer: UnsafePointer<CChar>!, _ bufferSize: Int, _ allocator: CFAllocator!, _ options: CFOptionFlags, _ errorString: UnsafeMutablePointer<Unmanaged<CFString>?>!) -> CFTypeRef!
```