NTSTATUS __fastcall McGenEventRegister_EtwRegister(const GUID *a1, INT64 a2, VOID *a3, ULONGLONG *a4){ NTSTATUS result; result = 0; if( !*a4 ) return EtwRegister(a1, (PETWENABLECALLBACK)McGenControlCallbackV2, a3, a4); return result; }