---
title: ah
framework: Kernel
role: symbol
platforms: [macOS 10.6+]
path: kernel/ah
---

# ah

## Declaration

```occ
struct ah {
    ...
};
```

## Topics

### Instance Properties

- [ah_len](kernel/ah/1417618-ah_len.md)
- [ah_nxt](kernel/ah/1417616-ah_nxt.md)
- [ah_reserve](kernel/ah/1417624-ah_reserve.md)
- [ah_spi](kernel/ah/1417614-ah_spi.md)