> 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/debug/rtllookupfunctionentry.md).

# RtlLookupFunctionEntry

```csharp
[DllImport("KERNEL32.dll", ExactSpelling = true)]
[DefaultDllImportSearchPaths(DllImportSearchPath.System32)]
public static extern unsafe IMAGE_RUNTIME_FUNCTION_ENTRY* RtlLookupFunctionEntry(
    ulong ControlPc,
    ulong* ImageBase,
    [Optional] UNWIND_HISTORY_TABLE* HistoryTable);
```

[IMAGE\_RUNTIME\_FUNCTION\_ENTRY](/debug/image_runtime_function_entry.md)

[UNWIND\_HISTORY\_TABLE](/debug/unwind_history_table.md)