---
title: ATOMIC_ALIGNMENT
framework: IOKit
role: symbol
role_heading: Instance Property
platforms: [Mac Catalyst 13.0+, macOS 10.12+]
path: iokit/scsicmd_inquiry_pageb0_data/1792071-atomic_alignment
---

# ATOMIC_ALIGNMENT

## Declaration

```occ
UInt32 ATOMIC_ALIGNMENT;
```