---
title: fDataBufferOffset
framework: IOKit
role: symbol
role_heading: Instance Property
platforms: [Mac Catalyst 18.4+, macOS 10.2+]
path: iokit/iousblowlatencyisocstruct/1426348-fdatabufferoffset
---

# fDataBufferOffset

## Declaration

```occ
UInt32 fDataBufferOffset;
```