---
title: crypto_random_kmem_ctx_size_fn_t
framework: Kernel
role: symbol
role_heading: Type Alias
platforms: [macOS 13.1+]
path: kernel/crypto_random_kmem_ctx_size_fn_t
---

# crypto_random_kmem_ctx_size_fn_t

## Declaration

```occ
typedef size_t (*crypto_random_kmem_ctx_size_fn_t)(void);
```