---
title: data_length
framework: Kernel
role: symbol
role_heading: Instance Property
platforms: [macOS 10.9+]
path: kernel/kev_d_vectors/1446939-data_length
---

# data_length

The length of data.

## Declaration

```occ
u_int32_t data_length;
```

## See Also

### Fields

- [data_ptr](kernel/kev_d_vectors/1446989-data_ptr.md)