\f
-extern SCM scm_object_properties SCM_P ((SCM obj));
-extern SCM scm_set_object_properties_x SCM_P ((SCM obj, SCM plist));
-extern SCM scm_object_property SCM_P ((SCM obj, SCM key));
-extern SCM scm_set_object_property_x SCM_P ((SCM obj, SCM key, SCM val));
-extern void scm_init_objprop SCM_P ((void));
+extern SCM scm_object_properties (SCM obj);
+extern SCM scm_set_object_properties_x (SCM obj, SCM plist);
+extern SCM scm_object_property (SCM obj, SCM key);
+extern SCM scm_set_object_property_x (SCM obj, SCM key, SCM val);
+extern void scm_init_objprop (void);
#endif /* OBJPROPH */