+
+ printf("\nudevinfo starts with the device the node belongs to and then walks up the\n"
+ "device chain to print for every device found all possibly useful attributes\n"
+ "in the udev key format.\n"
+ "Only attributes within one device section may be used in a rule to match the\n"
+ "device for which the node will be created.\n"
+ "\n");
+ printf("device '%s' has major:minor %s", class_dev->path, attr->value);