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