+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ * When we get notification that nexthop tracking has an answer for
+ * us call this function to find the nexthop we are tracking so it
+ * can be installed or removed.
+ *
+ * sp -> The route we are looking at. If NULL then look at all
+ * routes.
+ * nhp -> The nexthop that is being tracked.
+ * nh_num -> number of valid nexthops.
+ * afi -> The afi we are working in.
+ * vrf_id -> The vrf the nexthop is in.
+ */
+extern void static_nht_update(struct prefix *sp, struct prefix *nhp,
+ uint32_t nh_num, afi_t afi, safi_t safi,
+ vrf_id_t vrf_id);
+
+/*
+ * For the given tracked nexthop, nhp, mark all routes that use
+ * this route as in starting state again.
+ */
+extern void static_nht_reset_start(struct prefix *nhp, afi_t afi, safi_t safi,
+ vrf_id_t nh_vrf_id);
+
+/*
+ * For the given prefix, sp, mark it as in a particular state
+ */
+extern void static_nht_mark_state(struct prefix *sp, safi_t safi,
+ vrf_id_t vrf_id,
+ enum static_install_states state);
+
+/*
+ * For the given nexthop, returns the string
+ */
+extern void static_get_nh_str(struct static_nexthop *nh, char *nexthop,
+ size_t size);
+
+#ifdef __cplusplus
+}
+#endif
+