+/* This macro was added in OCaml 3.10. Backport for earlier versions. */
+#ifndef CAMLreturnT
+#define CAMLreturnT(type, result) do{ \
+ type caml__temp_result = (result); \
+ caml_local_roots = caml__frame; \
+ return (caml__temp_result); \
+}while(0)
+#endif
+