public static extern void nl_cache_ops_set_flags(nl_cache_ops *ops, uint flags);
public static extern void nl_cache_ops_put(nl_cache_ops *ops);
public static extern nl_cache *nl_cache_alloc(nl_cache_ops *ops);
public static extern nl_msgtype *nl_msgtype_lookup(nl_cache_ops *ops, int msgtype);
public static extern int nl_cache_mngt_unregister(nl_cache_ops *ops);