---
title: nd_opt_prefix_info
framework: Kernel
role: symbol
platforms: [macOS 12.0+]
path: kernel/nd_opt_prefix_info
---

# nd_opt_prefix_info

## Declaration

```occ
struct nd_opt_prefix_info {
    ...
};
```

## Topics

### Instance Properties

- [nd_opt_pi_flags_reserved](kernel/nd_opt_prefix_info/3754140-nd_opt_pi_flags_reserved.md)
- [nd_opt_pi_len](kernel/nd_opt_prefix_info/3754141-nd_opt_pi_len.md)
- [nd_opt_pi_preferred_time](kernel/nd_opt_prefix_info/3754142-nd_opt_pi_preferred_time.md)
- [nd_opt_pi_prefix](kernel/nd_opt_prefix_info/3754143-nd_opt_pi_prefix.md)
- [nd_opt_pi_prefix_len](kernel/nd_opt_prefix_info/3754144-nd_opt_pi_prefix_len.md)
- [nd_opt_pi_reserved2](kernel/nd_opt_prefix_info/3754145-nd_opt_pi_reserved2.md)
- [nd_opt_pi_type](kernel/nd_opt_prefix_info/3754146-nd_opt_pi_type.md)
- [nd_opt_pi_valid_time](kernel/nd_opt_prefix_info/3754147-nd_opt_pi_valid_time.md)