diff --git a/nlsr_npt.h b/nlsr_npt.h
index 997cb71..d564312 100644
--- a/nlsr_npt.h
+++ b/nlsr_npt.h
@@ -19,5 +19,7 @@
 int add_npt_entry(char *orig_router, char *name_prefix, int face);
 void print_npt(void);
 void delete_orig_router_from_npt(char *orig_router,int next_hop_face);
+void update_npt_with_new_route(char * orig_router,int next_hop_face);
+void destroy_all_face_by_nlsr(void);
 
 #endif