---
title: kINQUIRY_Byte56_IUS_Mask
framework: Kernel
role: symbol
role_heading: Enumeration Case
platforms: [macOS 10.12+]
path: kernel/1643292-anonymous/kinquiry_byte56_ius_mask
---

# kINQUIRY_Byte56_IUS_Mask

## Declaration

```occ
kINQUIRY_Byte56_IUS_Mask = (1 << kINQUIRY_Byte56_IUS_Bit)
```

## Discussion

Discussion Mask to use to test the IUS bit.