---
title: "init(malloc_func:free_func:realloc_func:calloc_func:AllocRef:)"
framework: security
role: symbol
role_heading: Initializer
path: "security/cssm_memory_funcs-swift.struct/init(malloc_func:free_func:realloc_func:calloc_func:allocref:)"
---

# init(malloc_func:free_func:realloc_func:calloc_func:AllocRef:)

## Declaration

```swift
init(malloc_func: CSSM_MALLOC!, free_func: CSSM_FREE!, realloc_func: CSSM_REALLOC!, calloc_func: CSSM_CALLOC!, AllocRef: UnsafeMutableRawPointer!)
```