---
title: Anonymous
framework: Kernel
role: containerSymbol
role_heading: Enumeration
platforms: [driverkit 21.0+, macOS 12.0+]
path: kernel/3852596-anonymous
---

# Anonymous

## Declaration

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

## Topics

### Constants

- [kIOMemoryDirectionIn](kernel/3852596-anonymous/kiomemorydirectionin.md)
- [kIOMemoryDirectionIn](driverkit/kiomemorydirectionin.md)
- [kIOMemoryDirectionInOut](kernel/3852596-anonymous/kiomemorydirectioninout.md)
- [kIOMemoryDirectionInOut](driverkit/kiomemorydirectioninout.md)
- [kIOMemoryDirectionNone](kernel/3852596-anonymous/kiomemorydirectionnone.md)
- [kIOMemoryDirectionOut](kernel/3852596-anonymous/kiomemorydirectionout.md)
- [kIOMemoryDirectionOut](driverkit/kiomemorydirectionout.md)
- [kIOMemoryDirectionOutIn](kernel/3852596-anonymous/kiomemorydirectionoutin.md)
- [kIOMemoryDirectionOutIn](driverkit/kiomemorydirectionoutin.md)
- [kIOMemoryDisableCopyOnWrite](kernel/3852596-anonymous/kiomemorydisablecopyonwrite.md)