Prevent multiple inclusions.

[tinc] / src / graph.h

diff --git a/src/graph.h b/src/graph.h
index 372cbfb..3ce02f3 100644 (file)
--- a/src/graph.h
+++ b/src/graph.h
@@ -1,7 +1,7 @@
 /*
     graph.h -- header for graph.c
-    Copyright (C) 2001-2002 Guus Sliepen <guus@sliepen.eu.org>,
-                  2001-2002 Ivo Timmermans <ivo@o2w.nl>
+    Copyright (C) 2001-2003 Guus Sliepen <guus@sliepen.eu.org>,
+                  2001-2003 Ivo Timmermans <ivo@o2w.nl>
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -17,9 +17,14 @@
     along with this program; if not, write to the Free Software
     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 
-    $Id: graph.h,v 1.1.2.4 2002/06/21 10:11:12 guus Exp $
+    $Id: graph.h,v 1.1.2.6 2003/09/03 16:20:33 guus Exp $
 */
 
+#ifndef __TINC_GRAPH_H__
+#define __TINC_GRAPH_H__
+
 extern void graph(void);
 extern void mst_kruskal(void);
 extern void sssp_bfs(void);
+
+#endif /* __TINC_GRAPH_H__ */