> For the complete documentation index, see [llms.txt](https://www.pinvoke.dev/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://www.pinvoke.dev/threading/lpfiber_start_routine.md).

# LPFIBER\_START\_ROUTINE

```csharp
[UnmanagedFunctionPointerAttribute(CallingConvention.Winapi)]
public unsafe delegate void LPFIBER_START_ROUTINE(void* lpFiberParameter);
```