get_root_node
device_node *(*get_root_node)();
device_node* deviceRoot = gDeviceManager->get_root_node();
device_node* deviceRoot = gDeviceManager->get_root_node();
device_node* deviceRoot = gDeviceManager->get_root_node();
device_node* root = sDeviceManager->get_root_node();
fNode = fDeviceManager->get_root_node();
get_root_node,
get_root_node,
device_node *(*get_root_node)();