diff -r 000000000000 -r 6474c204b198 js/src/ctypes/Library.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/ctypes/Library.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,37 @@
+/* -*-  Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2; -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef ctypes_Library_h
+#define ctypes_Library_h
+
+#include "js/TypeDecls.h"
+
+struct JSCTypesCallbacks;
+struct PRLibrary;
+
+namespace js {
+namespace ctypes {
+
+enum LibrarySlot {
+  SLOT_LIBRARY = 0,
+  LIBRARY_SLOTS
+};
+
+namespace Library
+{
+  bool Name(JSContext* cx, unsigned argc, JS::Value *vp);
+
+  JSObject* Create(JSContext* cx, JS::Value path, JSCTypesCallbacks* callbacks);
+
+  bool IsLibrary(JSObject* obj);
+  PRLibrary* GetLibrary(JSObject* obj);
+
+  bool Open(JSContext* cx, unsigned argc, JS::Value* vp);
+}
+
+}
+}
+
+#endif /* ctypes_Library_h */