---
title: Anonymous
framework: Kernel
role: containerSymbol
role_heading: Enumeration
platforms: [macOS 10.12+]
path: kernel/1646100-anonymous
---

# Anonymous

## Declaration

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

## Topics

### Constants

- [kIOUCForegroundOnly](kernel/1646100-anonymous/kioucforegroundonly.md)
- [kIOUCScalarIScalarO](kernel/1646100-anonymous/kioucscalariscalaro.md)
- [kIOUCScalarIStructI](kernel/1646100-anonymous/kioucscalaristructi.md)
- [kIOUCScalarIStructO](kernel/1646100-anonymous/kioucscalaristructo.md)
- [kIOUCStructIStructO](kernel/1646100-anonymous/kioucstructistructo.md)
- [kIOUCTypeMask](kernel/1646100-anonymous/kiouctypemask.md)