nd_label_gen_id
nd_label_gen_id(&label_id, &label_uuid, flags);
nd_label_gen_id(&label_id, nspm->uuid, 0);
nd_label_gen_id(&label_id, &uuid,
nd_label_gen_id(&label_id, uuid, flags);
nd_label_gen_id(&label_id, nspm->uuid, 0);
nd_label_gen_id(&label_id, uuid, flags);
nd_label_gen_id(&old_label_id, *old_uuid, 0);
nd_label_gen_id(&new_label_id, new_uuid, 0);
char *nd_label_gen_id(struct nd_label_id *label_id, const uuid_t *uuid,