+#ifndef ZVAL_ZVAL
+#define ZVAL_ZVAL(z, zv, copy, dtor) { \
+ int is_ref, refcount; \
+ is_ref = (z)->is_ref; \
+ refcount = (z)->refcount; \
+ *(z) = *(zv); \
+ if (copy) { \
+ zval_copy_ctor(z); \
+ } \
+ if (dtor) { \
+ if (!copy) { \
+ ZVAL_NULL(zv); \
+ } \
+ zval_ptr_dtor(&zv); \
+ } \
+ (z)->is_ref = is_ref; \
+ (z)->refcount = refcount; \
+ }
+#endif
+#ifndef RETVAL_ZVAL
+#define RETVAL_ZVAL(zv, copy, dtor) ZVAL_ZVAL(return_value, zv, copy, dtor)
+#endif
+#ifndef RETURN_ZVAL
+#define RETURN_ZVAL(zv, copy, dtor) { RETVAL_ZVAL(zv, copy, dtor); return; }
+#endif