diff --git a/include/ndnboost/iostreams/detail/config/rtl.hpp b/include/ndnboost/iostreams/detail/config/rtl.hpp
new file mode 100644
index 0000000..c39b814
--- /dev/null
+++ b/include/ndnboost/iostreams/detail/config/rtl.hpp
@@ -0,0 +1,72 @@
+/*
+ * Distributed under the Boost Software License, Version 1.0.(See accompanying 
+ * file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt.)
+ * 
+ * See http://www.boost.org/libs/iostreams for documentation.
+ *
+ * Defines preprocessor symbols expanding to the names of functions in the 
+ * C runtime library used to access file descriptors and to the type used
+ * to store file offsets for seeking.
+ * 
+ * File:        ndnboost/iostreams/detail/config/rtl.hpp
+ * Date:        Wed Dec 26 11:58:11 MST 2007
+ * 
+ * Copyright:   2007-2008 CodeRage, LLC
+ * Author:      Jonathan Turkanis
+ * Contact:     turkanis at coderage dot com
+ */
+
+#ifndef NDNBOOST_IOSTREAMS_DETAIL_CONFIG_RTL_HPP_INCLUDED
+#define NDNBOOST_IOSTREAMS_DETAIL_CONFIG_RTL_HPP_INCLUDED
+
+#include <ndnboost/config.hpp>
+#include <ndnboost/iostreams/detail/config/windows_posix.hpp>
+
+// Handle open, close, read, and write
+#ifdef __BORLANDC__
+# define NDNBOOST_IOSTREAMS_RTL(x) NDNBOOST_JOIN(_rtl_, x)
+#elif defined NDNBOOST_IOSTREAMS_WINDOWS
+# define NDNBOOST_IOSTREAMS_RTL(x) NDNBOOST_JOIN(_, x)
+#else
+# define NDNBOOST_IOSTREAMS_RTL(x) ::x  // Distinguish from member function named x
+#endif
+#define NDNBOOST_IOSTREAMS_FD_OPEN   NDNBOOST_IOSTREAMS_RTL(open)
+#define NDNBOOST_IOSTREAMS_FD_CLOSE  NDNBOOST_IOSTREAMS_RTL(close)
+#define NDNBOOST_IOSTREAMS_FD_READ   NDNBOOST_IOSTREAMS_RTL(read)
+#define NDNBOOST_IOSTREAMS_FD_WRITE  NDNBOOST_IOSTREAMS_RTL(write)
+
+// Handle lseek, off_t, ftruncate, and stat
+#ifdef NDNBOOST_IOSTREAMS_WINDOWS
+# if defined(NDNBOOST_MSVC) || defined(__MSVCRT__) // MSVC, MinGW
+#  define NDNBOOST_IOSTREAMS_FD_SEEK    _lseeki64
+#  define NDNBOOST_IOSTREAMS_FD_OFFSET  __int64
+# else                                          // Borland, Metrowerks, ...
+#  define NDNBOOST_IOSTREAMS_FD_SEEK    lseek  
+#  define NDNBOOST_IOSTREAMS_FD_OFFSET  long
+# endif
+#else // Non-windows
+# if defined(_LARGEFILE64_SOURCE) && !defined(__APPLE__) && \
+         (!defined(_FILE_OFFSET_BITS) || _FILE_OFFSET_BITS != 64) || \
+     defined(_AIX) && !defined(_LARGE_FILES) || \
+     defined(NDNBOOST_IOSTREAMS_HAS_LARGE_FILE_EXTENSIONS)
+     /**/
+
+    /* Systems with transitional extensions for large file support */
+
+#  define NDNBOOST_IOSTREAMS_FD_SEEK      lseek64
+#  define NDNBOOST_IOSTREAMS_FD_TRUNCATE  ftruncate64
+#  define NDNBOOST_IOSTREAMS_FD_MMAP      mmap64
+#  define NDNBOOST_IOSTREAMS_FD_STAT      stat64
+#  define NDNBOOST_IOSTREAMS_FD_FSTAT     fstat64
+#  define NDNBOOST_IOSTREAMS_FD_OFFSET    off64_t
+# else
+#  define NDNBOOST_IOSTREAMS_FD_SEEK      lseek
+#  define NDNBOOST_IOSTREAMS_FD_TRUNCATE  ftruncate
+#  define NDNBOOST_IOSTREAMS_FD_MMAP      mmap
+#  define NDNBOOST_IOSTREAMS_FD_STAT      stat
+#  define NDNBOOST_IOSTREAMS_FD_FSTAT     fstat
+#  define NDNBOOST_IOSTREAMS_FD_OFFSET    off_t
+# endif
+#endif
+
+#endif // #ifndef NDNBOOST_IOSTREAMS_DETAIL_CONFIG_RTL_HPP_INCLUDED