diff --git a/libconfig-1.4.9/lib/strbuf.h b/libconfig-1.4.9/lib/strbuf.h
new file mode 100644
index 0000000000000000000000000000000000000000..62cd782eaadabd3a7e51793025fa303d9b1ae2dd
--- /dev/null
+++ b/libconfig-1.4.9/lib/strbuf.h
@@ -0,0 +1,40 @@
+/* ----------------------------------------------------------------------------
+   libconfig - A library for processing structured configuration files
+   Copyright (C) 2005-2010  Mark A Lindner
+
+   This file is part of libconfig.
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public License
+   as published by the Free Software Foundation; either version 2.1 of
+   the License, or (at your option) any later version.
+
+   This library is distributed in the hope that it will be useful, but
+   WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with this library; if not, see
+   <http://www.gnu.org/licenses/>.
+   ----------------------------------------------------------------------------
+*/
+
+#ifndef __libconfig_strbuf_h
+#define __libconfig_strbuf_h
+
+#include <string.h>
+#include <sys/types.h>
+
+typedef struct
+{
+  char *string;
+  size_t length;
+  size_t capacity;
+} strbuf_t;
+
+char *strbuf_release(strbuf_t *buf);
+
+void strbuf_append(strbuf_t *buf, const char *text);
+
+#endif /* __libconfig_strbuf_h */