---
title: CSSM_CALLOC
framework: security
role: symbol
role_heading: Type Alias
path: security/cssm_calloc
---

# CSSM_CALLOC

## Declaration

```swift
typealias CSSM_CALLOC = (uint32, CSSM_SIZE, UnsafeMutableRawPointer?) -> UnsafeMutableRawPointer?
```