windows 버전 체크

bool is_version_xp()

{

OSVERSIONINFO osvi = {};

    BOOL bIsWindowsXPorLater;

    osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);

    GetVersionEx(&osvi);

bIsWindowsXPorLater = ( (osvi.dwMajorVersion == 5.1) || (osvi.dwMajorVersion == 5.2)) ;

       //( (osvi.dwMajorVersion > 5) ||

       //( (osvi.dwMajorVersion == 5) && (osvi.dwMinorVersion >= 1) ));

    if(bIsWindowsXPorLater)

return true;

}

http://msdn.microsoft.com/en-us/library/ms724451%28VS.85%29.aspx