public static extern int InitOnceExecuteOnce([NativeTypeName("PINIT_ONCE")] RTL_RUN_ONCE *InitOnce, [NativeTypeName("PINIT_ONCE_FN")] delegate *unmanaged <RTL_RUN_ONCE *, void *, void **, int> InitFn, [NativeTypeName("PVOID")] void *Parameter, [NativeTypeName("LPVOID *")] void **Context);
 public static extern void InitOnceInitialize([NativeTypeName("PINIT_ONCE")] RTL_RUN_ONCE *InitOnce);