---
title: Anonymous
framework: Kernel
role: containerSymbol
role_heading: Enumeration
platforms: [macOS 10.12+]
path: kernel/1646421-anonymous
---

# Anonymous

## Declaration

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

## Topics

### Constants

- [BIDIRECTIONAL_ECHO_CANCELING_SPEAKERPHONE](kernel/1646421-anonymous/bidirectional_echo_canceling_speakerphone.md)
- [BIDIRECTIONAL_ECHO_SUPPRESSING_SPEAKERPHONE](kernel/1646421-anonymous/bidirectional_echo_suppressing_speakerphone.md)
- [BIDIRECTIONAL_HANDSET](kernel/1646421-anonymous/bidirectional_handset.md)
- [BIDIRECTIONAL_HEADSET](kernel/1646421-anonymous/bidirectional_headset.md)
- [BIDIRECTIONAL_SPEAKERPHONE_NO_ECHO_REDX](kernel/1646421-anonymous/bidirectional_speakerphone_no_echo_redx.md)
- [BIDIRECTIONAL_UNDEFINED](kernel/1646421-anonymous/bidirectional_undefined.md)