1@ stdcall drvCommConfigDialogA(str ptr ptr) 2@ stdcall drvCommConfigDialogW(wstr ptr ptr) 3@ stdcall drvSetDefaultCommConfigA(str ptr long) 4@ stdcall drvSetDefaultCommConfigW(wstr ptr long) 5@ stdcall drvGetDefaultCommConfigA(str ptr ptr) 6@ stdcall drvGetDefaultCommConfigW(wstr ptr ptr) 7