Fields
- version: CFIndex
- info: *void
- retain: CFAllocatorRetainCallBack
- release: CFAllocatorReleaseCallBack
- copyDescription: CFAllocatorCopyDescriptionCallBack
- allocate: CFAllocatorAllocateCallBack
- reallocate: CFAllocatorReallocateCallBack
- deallocate: CFAllocatorDeallocateCallBack
- preferredSize: CFAllocatorPreferredSizeCallBack