Merge branches/pep-0384.
diff --git a/Include/dtoa.h b/Include/dtoa.h
index 9b434b7..819bd0f 100644
--- a/Include/dtoa.h
+++ b/Include/dtoa.h
@@ -1,3 +1,4 @@
+#ifndef Py_LIMITED_API
 #ifndef PY_NO_SHORT_FLOAT_REPR
 #ifdef __cplusplus
 extern "C" {
@@ -13,3 +14,4 @@
 }
 #endif
 #endif
+#endif