BEGIN_EXTERN_C()
-ZEND_API zend_class_entry *zend_ce_traversable;
-ZEND_API zend_class_entry *zend_ce_aggregate;
-ZEND_API zend_class_entry *zend_ce_iterator;
-ZEND_API zend_class_entry *zend_ce_arrayaccess;
+extern ZEND_API zend_class_entry *zend_ce_traversable;
+extern ZEND_API zend_class_entry *zend_ce_aggregate;
+extern ZEND_API zend_class_entry *zend_ce_iterator;
+extern ZEND_API zend_class_entry *zend_ce_arrayaccess;
typedef struct _zend_user_iterator {
zend_object_iterator it;