-extern const char *ospf_redist_string(u_int route_type);
-extern struct ospf *ospf_lookup_instance(u_short);
-extern struct ospf *ospf_get(u_short instance, const char *name);
-extern struct ospf *ospf_get_instance(u_short);
-extern struct ospf *ospf_lookup_by_inst_name(u_short instance,
+extern const char *ospf_redist_string(unsigned int route_type);
+extern struct ospf *ospf_lookup_instance(unsigned short);
+extern struct ospf *ospf_get(unsigned short instance, const char *name);
+extern struct ospf *ospf_get_instance(unsigned short);
+extern struct ospf *ospf_lookup_by_inst_name(unsigned short instance,