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+// procstream.h                                         -*- C++ -*-
+/*
+
+Copyright (C) 1992, 1993 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, 675 Mass Ave, Cambridge, MA 02139, USA.
+
+*/
+
+#if !defined (_procstream_h)
+#define _procstream_h 1
+
+#ifdef __GNUG__
+#pragma interface
+#endif
+
+#include <iostream.h>
+#include <procbuf.h>
+
+class
+procstreambase : virtual public ios
+{
+ public:
+  procstreambase (void);
+  procstreambase (const char *command, int mode = ios::out);
+
+  procbuf *rdbuf (void) const { return (procbuf *) _strbuf; }
+
+  void open (const char *command, int mode = ios::out);
+  int is_open (void) { return rdbuf()->is_open (); }
+  void close (void);
+};
+
+class
+iprocstream : public procstreambase, public istream
+{
+ public:
+  iprocstream (void) : procstreambase () {}
+  iprocstream (const char *command) : procstreambase (command, ios::in) {}
+
+  void open (const char *command) { procstreambase::open (command, ios::in); }
+};
+
+class
+oprocstream : public procstreambase, public ostream
+{
+ public:
+  oprocstream (void) : procstreambase () {}
+  oprocstream (const char *command) : procstreambase (command, ios::out) {}
+
+  void open (const char *command) { procstreambase::open (command, ios::out); }
+};
+
+#endif
+
+/*
+;;; Local Variables: ***
+;;; mode: C++ ***
+;;; page-delimiter: "^/\\*" ***
+;;; End: ***
+*/
+
+
+