---
title: OSDataGetLength
framework: driverkit
role: symbol
role_heading: Function
path: driverkit/osdatagetlength
---

# OSDataGetLength

## Declaration

```occ
size_t OSDataGetLength(OSDataPtr obj);
```

## See Also

### Inspecting a Data Object

- [getCapacity](driverkit/osdata/getcapacity.md)
- [getLength](driverkit/osdata/getlength.md)