+++ /dev/null
-// Copyright 2010 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-extern void Step(int, int, int *, int *);
-extern void DoStep(int, int, int, int, int, int, int *, int *);
-extern const int MYCONST;