---
title: kIOStreamBufferIDMask
framework: Kernel
role: symbol
role_heading: Enumeration Case
platforms: [macOS 10.12+]
path: kernel/1646477-anonymous/kiostreambufferidmask
---

# kIOStreamBufferIDMask

## Declaration

```occ
kIOStreamBufferIDMask = 0x0FFFFFFF
```