diff --git a/nlsr_ndn.h b/nlsr_ndn.h
index cb249c2..4c2a79c 100644
--- a/nlsr_ndn.h
+++ b/nlsr_ndn.h
@@ -1,20 +1,28 @@
 #ifndef _NLSR_NDN_H_
 #define _NLSR_NDN_H_
 
+int appendLifetime(struct ccn_charbuf *cb, int lifetime);
 
 int send_lsdb_interest(struct ccn_schedule *sched, void *clienth, struct ccn_scheduled_event *ev, int flags);
 
 enum ccn_upcall_res incoming_interest(struct ccn_closure *selfp, enum ccn_upcall_kind kind, struct ccn_upcall_info *info);
 void process_incoming_interest(struct ccn_closure *selfp, struct ccn_upcall_info *info);
 void process_incoming_interest_lsdb(struct ccn_closure *selfp, struct ccn_upcall_info *info);
+void process_incoming_interest_info(struct ccn_closure *selfp, struct ccn_upcall_info *info);
 
 void process_incoming_timed_out_interest(struct ccn_closure* selfp, struct ccn_upcall_info* info);
 void process_incoming_timed_out_interest_lsdb(struct ccn_closure* selfp, struct ccn_upcall_info* info);
+void process_incoming_timed_out_interest_info(struct ccn_closure* selfp, struct ccn_upcall_info* info);
 
 
 enum ccn_upcall_res incoming_content(struct ccn_closure* selfp, enum ccn_upcall_kind kind, struct ccn_upcall_info* info);
 void process_incoming_content(struct ccn_closure* selfp, struct ccn_upcall_info* info);
 void process_incoming_content_lsdb(struct ccn_closure* selfp, struct ccn_upcall_info* info);
+void process_incoming_content_info(struct ccn_closure* selfp, struct ccn_upcall_info* info);
+
+
+int send_info_interest(struct ccn_schedule *sched, void *clienth, struct ccn_scheduled_event *ev, int flags);
+void send_info_interest_to_neighbor(struct ccn_charbuf *nbr);
 
 #endif