---
title: Anonymous
framework: Kernel
role: containerSymbol
role_heading: Enumeration
platforms: [macOS 10.12+]
path: kernel/1645408-anonymous
---

# Anonymous

## Declaration

```occ
enum : unsigned int {
    ...
};
```

## Topics

### Constants

- [kIONDRVAsynchronousIOCommandKind](kernel/1645408-anonymous/kiondrvasynchronousiocommandkind.md)
- [kIONDRVImmediateIOCommandKind](kernel/1645408-anonymous/kiondrvimmediateiocommandkind.md)
- [kIONDRVSynchronousIOCommandKind](kernel/1645408-anonymous/kiondrvsynchronousiocommandkind.md)