new file mode 100644
--- /dev/null
+++ b/src/dynamic-ld.h
@@ -0,0 +1,53 @@
+// dynamic-ld.h                                        -*- C++ -*-
+/*
+
+Copyright (C) 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 (_dynamic_ld_h)
+#define _dynamic_ld_h 1
+
+#ifdef __GNUG__
+#pragma interface
+#endif
+
+class tree_constant;
+
+typedef tree_constant* (*builtin_fcn_ptr) (tree_constant*, int, int);
+
+extern void octave_dld_tc2_unlink_by_symbol (char *name, int hard = 1);
+
+extern void octave_dld_tc2_unlink_by_file (char *name, int hard = 1);
+
+extern builtin_fcn_ptr octave_dld_tc2 (char *name, char *fcn, char *object);
+
+extern tree_constant *octave_dld_tc2_and_go (tree_constant *args,
+					     int nargin, int nargout,
+					     char *name, char *fcn,
+					     char *object);
+
+#endif
+
+/*
+;;; Local Variables: ***
+;;; mode: C++ ***
+;;; page-delimiter: "^/\\*" ***
+;;; End: ***
+*/