-extern tree convert_to_integer PROTO ((tree, tree));
-extern tree convert_to_pointer PROTO ((tree, tree));
-extern tree convert_to_real PROTO ((tree, tree));
+/* Definition of functions in convert.c.
+ Copyright (C) 1993, 2000, 2003, 2004 Free Software Foundation, Inc.
+
+This file is part of GCC.
+
+GCC 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.
+
+GCC 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 GCC; see the file COPYING. If not, write to the Free
+Software Foundation, 59 Temple Place - Suite 330, Boston, MA
+02111-1307, USA. */
+
+#ifndef GCC_CONVERT_H
+#define GCC_CONVERT_H
+
+extern tree convert_to_integer (tree, tree);
+extern tree convert_to_pointer (tree, tree);
+extern tree convert_to_real (tree, tree);
+extern tree convert_to_complex (tree, tree);
+extern tree convert_to_vector (tree, tree);
+
+#endif /* GCC_CONVERT_H */