--- /dev/null
+
+#define TCA_BUF_MAX (64*1024)
+
+extern struct rtnl_handle rth;
+extern int do_qdisc(int argc, char **argv);
+extern int do_class(int argc, char **argv);
+extern int do_filter(int argc, char **argv);
+extern int do_action(int argc, char **argv);
+
+struct tc_estimator;
+extern int parse_estimator(int *p_argc, char ***p_argv, struct tc_estimator *est);