+FF_ENABLE_DEPRECATION_WARNINGS
+#endif
+
+const AVClass *av_opt_child_class_iterate(const AVClass *parent, void **iter)
+{
+ if (parent->child_class_iterate)
+ return parent->child_class_iterate(iter);
+#if FF_API_CHILD_CLASS_NEXT
+FF_DISABLE_DEPRECATION_WARNINGS
+ if (parent->child_class_next) {
+ *iter = parent->child_class_next(*iter);
+ return *iter;
+ }
+FF_ENABLE_DEPRECATION_WARNINGS
+#endif
+ return NULL;
+}