new file mode 100644
--- /dev/null
+++ b/src/c-file-ptr-stream.h
@@ -0,0 +1,106 @@
+/*
+
+Copyright (C) 2000 John W. Eaton
+
+This file is part of Octave.
+
+Octave is free software; you can redistribute it and/or modify it
+under the terms of the GNU General Public License as published by the
+Free Software Foundation; either version 2, or (at your option) any
+later version.
+
+Octave 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 General Public License
+for more details.
+
+You should have received a copy of the GNU General Public License
+along with Octave; see the file COPYING.  If not, write to the Free
+Software Foundation, 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+
+*/
+
+#if !defined (octave_c_file_ptr_stream_h)
+#define octave_c_file_ptr_stream_h 1
+
+#ifdef __GNUG__
+#pragma interface
+#endif
+
+#include <iostream>
+#include <stdio.h>
+
+class
+c_file_ptr_buf : public std::streambuf
+{
+protected:
+
+  FILE *f;
+
+public:
+
+  FILE* stdiofile (void) const { return f; }
+
+  c_file_ptr_buf (FILE *f_arg) : std::streambuf (), f (f_arg) { }
+
+  ~c_file_ptr_buf (void);
+
+  int overflow (int);
+
+  int underflow (void);
+
+  int uflow (void);
+
+  int pbackfail (int);
+
+  std::streamsize xsputn (const char*, std::streamsize);
+
+  std::streamsize xsgetn (char *, std::streamsize);
+
+  std::streampos seekoff (std::streamoff, std::ios::seekdir,
+			  std::ios::openmode = std::ios::in | std::ios::out);
+  
+  std::streampos seekpos (std::streampos,
+			  std::ios::openmode = std::ios::in | std::ios::out);
+
+  int sync (void);
+};
+
+class
+i_c_file_ptr_stream : public std::istream
+{
+private:
+
+  c_file_ptr_buf f;
+
+public:
+
+  i_c_file_ptr_stream (FILE* f_arg)
+    : std::istream (), f (f_arg) { init (&f); }
+
+  c_file_ptr_buf *rdbuf (void) { return &f; }
+};
+
+class
+o_c_file_ptr_stream : public std::ostream
+{
+private:
+
+  c_file_ptr_buf f;
+
+public:
+
+  o_c_file_ptr_stream (FILE* f_arg)
+    : std::ostream (), f (f_arg) { init (&f); }
+
+  c_file_ptr_buf *rdbuf (void) { return &f; }
+};
+
+#endif
+
+/*
+;;; Local Variables: ***
+;;; mode: C++ ***
+;;; End: ***
+*/
+