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