---
title: Anonymous
framework: Kernel
role: containerSymbol
role_heading: Enumeration
platforms: [macOS 10.13+]
path: kernel/2869838-anonymous
---

# Anonymous

## Declaration

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

## Topics

### Constants

- [THREAD_CALL_OPTIONS_ONCE](kernel/2869838-anonymous/thread_call_options_once.md)