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diff --git a/libglusterfs/src/graph-utils.h b/libglusterfs/src/graph-utils.h
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+/*
+ Copyright (c) 2008-2012 Red Hat, Inc. <http://www.redhat.com>
+ This file is part of GlusterFS.
+
+ This file is licensed to you under your choice of the GNU Lesser
+ General Public License, version 3 or any later version (LGPLv3 or
+ later), or the GNU General Public License, version 2 (GPLv2), in all
+ cases as published by the Free Software Foundation.
+*/
+
+#ifndef _GRAPH_H_
+#define _GRAPH_H_
+
+int glusterfs_graph_print_file (FILE *file, glusterfs_graph_t *graph);
+
+char *glusterfs_graph_print_buf (glusterfs_graph_t *graph);
+
+int glusterfs_xlator_link (xlator_t *pxl, xlator_t *cxl);
+void glusterfs_graph_set_first (glusterfs_graph_t *graph, xlator_t *xl);
+#endif