---
title: OSDataGetBytes
framework: driverkit
role: symbol
role_heading: Function
path: driverkit/osdatagetbytes
---

# OSDataGetBytes

## Declaration

```occ
size_t OSDataGetBytes(OSDataPtr obj, void *buffer, size_t offset, size_t length);
```

## See Also

### Getting Bytes

- [getBytesNoCopy](driverkit/osdata/getbytesnocopy-91vcg.md)
- [getBytesNoCopy](driverkit/osdata/getbytesnocopy-53puz.md)
- [OSDataGetBytesPtr](driverkit/osdatagetbytesptr.md)