ControlDevice
ControlDevice* device = new(std::nothrow) ControlDevice(node);
ControlDevice* device = (ControlDevice*)cookie;
ioctl_register(ControlDevice* controlDevice, ram_disk_ioctl_register* request)
ioctl_unregister(ControlDevice* controlDevice,
bool ControlDevice(ppp_device_info_t *info) const;
if (interface.ControlDevice(&info) != true) {
ControlDevice* device = new(std::nothrow) ControlDevice(node);
ControlDevice* device = (ControlDevice*)cookie;