diff --git a/ChangeLog b/ChangeLog
index 483c6eba..dabae08b 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,12 @@
 2000-11-26  Martin Baulig  <martin@home-of-linux.org>
 
+	* include/glibtop/glibtop-backend.h
+	(glibtop_backend_get_call_vector): New function.
+
+	* lib/glibtop-client-private.h: New file.
+	* lib/glibtop-client.h (struct _glibtop_client_private): Moved
+	to glibtop-client-private.h.
+
 	* include/glibtop/glibtop-client.h (glibtop_client_open_backend):
 	Changed return value to void.
 
diff --git a/include/glibtop/glibtop-backend.h b/include/glibtop/glibtop-backend.h
index 13632d68..4af895a9 100644
--- a/include/glibtop/glibtop-backend.h
+++ b/include/glibtop/glibtop-backend.h
@@ -46,6 +46,8 @@ typedef struct _glibtop_backend		glibtop_backend;
 typedef struct _glibtop_backend_class	glibtop_backend_class;
 typedef struct _glibtop_backend_private	glibtop_backend_private;
 
+#include <glibtop/glibtop-backend-info.h>
+
 struct	_glibtop_backend
 {
     GObject object;
@@ -66,6 +68,9 @@ glibtop_backend *
 glibtop_backend_open (const char *backend_name, u_int64_t features,
 		      const char **backend_args, GError **error);
 
+glibtop_call_vector *
+glibtop_backend_get_call_vector (glibtop_backend *backend);
+
 END_LIBGTOP_DECLS
 
 #endif
diff --git a/lib/Makefile.am b/lib/Makefile.am
index 32c99c2c..5bcc0b40 100644
--- a/lib/Makefile.am
+++ b/lib/Makefile.am
@@ -10,7 +10,8 @@ noinst_LTLIBRARIES		= libgtop_server.la
 
 libgtop_la_SOURCES		= errors.c glibtop-backend-info.c \
 				  glibtop-client.c glibtop-server.c \
-				  glibtop-backend.c sysdeps-init.c
+				  glibtop-backend.c sysdeps-init.c \
+				  glibtop-client-private.h
 
 libgtop_server_la_SOURCES	= error.c xmalloc.c
 
diff --git a/lib/glibtop-backend.c b/lib/glibtop-backend.c
index d4564bd4..cbea5a4f 100644
--- a/lib/glibtop-backend.c
+++ b/lib/glibtop-backend.c
@@ -230,3 +230,13 @@ glibtop_backend_open (const char *backend_name, u_int64_t features,
 
     return backend;
 }
+
+glibtop_call_vector *
+glibtop_backend_get_call_vector (glibtop_backend *backend)
+{
+    g_return_val_if_fail (GLIBTOP_IS_BACKEND (backend), NULL);
+
+    g_assert (backend->_priv->info != NULL);
+
+    return backend->_priv->info->call_vector;
+}
diff --git a/lib/glibtop-client-private.h b/lib/glibtop-client-private.h
new file mode 100644
index 00000000..244cabdf
--- /dev/null
+++ b/lib/glibtop-client-private.h
@@ -0,0 +1,34 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 4 -*- */
+
+/* $Id$ */
+
+/* Copyright (C) 1998-99 Martin Baulig
+   This file is part of LibGTop 2.0.
+
+   Contributed by Martin Baulig <martin@home-of-linux.org>, April 1998.
+
+   LibGTop 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 of the License,
+   or (at your option) any later version.
+
+   LibGTop 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 LibGTop; see the file COPYING. If not, write to the
+   Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.
+*/
+
+#ifndef __GLIBTOP_CLIENT_PRIVATE_H__
+#define __GLIBTOP_CLIENT_PRIVATE_H__
+
+struct _glibtop_client_private
+{
+    GSList *backend_list;
+};
+
+#endif
diff --git a/lib/glibtop-client.c b/lib/glibtop-client.c
index 5aadb44d..47406374 100644
--- a/lib/glibtop-client.c
+++ b/lib/glibtop-client.c
@@ -34,13 +34,7 @@ static void glibtop_client_finalize      (GObject                *object);
 
 static gpointer parent_class = NULL;
 
-
-/* Internal data */
-
-struct _glibtop_client_private
-{
-    GSList *backend_list;
-};
+#include <glibtop-client-private.h>
 
 enum {
     GLIBTOP_CLIENT_SIGNAL_ERROR,