TcpState *statePtr;
    int info_found = 0;
    TcpFdList *fds = NULL;
    ThreadSpecificData *tsdPtr = (ThreadSpecificData *)
#ifdef _WIN64
	    GetWindowLongPtrW(hwnd, GWLP_USERDATA);
#else
	    GetWindowLongW(hwnd, GWL_USERDATA);
#endif

    switch (message) {
    default:
	return DefWindowProcW(hwnd, message, wParam, lParam);
	break;

    case WM_CREATE:
	/*
	 * Store the initial tsdPtr, it's from a different thread, so it's not
	 * directly accessible, but needed.
	 */

#ifdef _WIN64
	SetWindowLongPtrW(hwnd, GWLP_USERDATA,
		(LONG_PTR) ((LPCREATESTRUCT)lParam)->lpCreateParams);
#else
	SetWindowLongW(hwnd, GWL_USERDATA,
		(LONG) ((LPCREATESTRUCT)lParam)->lpCreateParams);
#endif
	break;

    case WM_DESTROY:
	PostQuitMessage(0);
	break;