fn = (RTLGETVERSION)GetProcAddress(hNTDLL, "RtlGetVersion");
if (fn)
{
osvi.dwOSVersionInfoSize = sizeof(osvi);
if (fn(&osvi) == STATUS_SUCCESS)
{
fn = (RTLGETVERSION)GetProcAddress(hNTDLL, "RtlGetVersion");
if (fn)
{
osvi.dwOSVersionInfoSize = sizeof(osvi);
if (fn(&osvi) == STATUS_SUCCESS)
{