---
title: "init(version:info:retain:release:copyDescription:allocate:reallocate:deallocate:preferredSize:)"
framework: corefoundation
role: symbol
role_heading: Initializer
path: "corefoundation/cfallocatorcontext/init(version:info:retain:release:copydescription:allocate:reallocate:deallocate:preferredsize:)"
---

# init(version:info:retain:release:copyDescription:allocate:reallocate:deallocate:preferredSize:)

## Declaration

```swift
init(version: CFIndex, info: UnsafeMutableRawPointer!, retain: CFAllocatorRetainCallBack!, release: CFAllocatorReleaseCallBack!, copyDescription: CFAllocatorCopyDescriptionCallBack!, allocate: CFAllocatorAllocateCallBack!, reallocate: CFAllocatorReallocateCallBack!, deallocate: CFAllocatorDeallocateCallBack!, preferredSize: CFAllocatorPreferredSizeCallBack!)
```