diff --git a/nlsr_route.h b/nlsr_route.h
index 021429d..cd023e5 100644
--- a/nlsr_route.h
+++ b/nlsr_route.h
@@ -45,6 +45,9 @@
 void add_rev_map_entry(long int mapping_number, char *router);
 void print_rev_map(void);
 char * get_router_from_rev_map(long int mapping_number);
+int get_no_link_from_adj_matrix(int **adj_matrix,long int V, long int S);
+void get_links_from_adj_matrix(int **adj_matrix, long int V ,long int *links, long int *link_costs,long int S);
+void adjust_adj_matrix(int **adj_matrix, long int V, long int S, long int link,long int link_cost);
 
 /* Routing Table Relates function */