---
title: IOMallocArraySize
framework: Kernel
role: symbol
role_heading: Function
platforms: [macOS 12.0+]
path: kernel/3857662-iomallocarraysize
---

# IOMallocArraySize

## Declaration

```occ
vm_size_t IOMallocArraySize(vm_size_t hdr_size, vm_size_t elem_size, vm_size_t elem_count);
```