--- /dev/null
+/*
+ * Copyright 1999-2016 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the OpenSSL license (the "License"). You may not use
+ * this file except in compliance with the License. You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
+ */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifndef HEADER_PEM_H
+int ERR_load_PEM_strings(void);
+#endif
+
+#ifdef __cplusplus
+}
+#endif