---
title: Anonymous
framework: kernel
role: containerSymbol
role_heading: Enumeration
path: kernel/1643339-anonymous
---

# Anonymous

## Declaration

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

## Topics

### Constants

- [kIODirectionCompleteWithDataValid](kernel/1643339-anonymous/kiodirectioncompletewithdatavalid.md)
- [kIODirectionCompleteWithError](kernel/1643339-anonymous/kiodirectioncompletewitherror.md)
- [kIODirectionIn](kernel/1643339-anonymous/kiodirectionin.md)
- [kIODirectionInOut](kernel/1643339-anonymous/kiodirectioninout.md)
- [kIODirectionNone](kernel/1643339-anonymous/kiodirectionnone.md)
- [kIODirectionOut](kernel/1643339-anonymous/kiodirectionout.md)
- [kIODirectionOutIn](kernel/1643339-anonymous/kiodirectionoutin.md)
- [kIODirectionPrepareNoFault](kernel/1643339-anonymous/kiodirectionpreparenofault.md)
- [kIODirectionPrepareNonCoherent](kernel/1643339-anonymous/kiodirectionpreparenoncoherent.md)
- [kIODirectionPrepareReserved1](kernel/1643339-anonymous/kiodirectionpreparereserved1.md)
- [kIODirectionPrepareToPhys32](kernel/1643339-anonymous/kiodirectionpreparetophys32.md)