*: use an ifindex_t type, defined in lib/if.h, for ifindex values
diff --git a/ospfd/ospf_network.h b/ospfd/ospf_network.h
index e0a5c69..8257adb 100644
--- a/ospfd/ospf_network.h
+++ b/ospfd/ospf_network.h
@@ -25,14 +25,14 @@
 
 /* Prototypes. */
 extern int ospf_if_add_allspfrouters (struct ospf *, struct prefix *,
-				      unsigned int);
+				      ifindex_t);
 extern int ospf_if_drop_allspfrouters (struct ospf *, struct prefix *,
-				       unsigned int);
+				       ifindex_t);
 extern int ospf_if_add_alldrouters (struct ospf *, struct prefix *,
-				    unsigned int);
+				    ifindex_t);
 extern int ospf_if_drop_alldrouters (struct ospf *, struct prefix *,
-				     unsigned int);
-extern int ospf_if_ipmulticast (struct ospf *, struct prefix *, unsigned int);
+				     ifindex_t);
+extern int ospf_if_ipmulticast (struct ospf *, struct prefix *, ifindex_t);
 extern int ospf_sock_init (void);
 extern void ospf_adjust_sndbuflen (struct ospf *, unsigned int);