--- /dev/null
+/*****************************************************************************
+** Copyright (C) 1998-2001 Ljubomir Milanovic & Horst Wagner
+** This file is part of the g2 library
+**
+** This library is free software; you can redistribute it and/or
+** modify it under the terms of the GNU Lesser General Public
+** License as published by the Free Software Foundation; either
+** version 2.1 of the License, or (at your option) any later version.
+**
+** This library 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
+** Lesser General Public License for more details.
+**
+** You should have received a copy of the GNU Lesser General Public
+** License along with this library; if not, write to the Free Software
+** Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+******************************************************************************/
+#ifndef _G2_VIRTUAL_DEVICE_H
+#define _G2_VIRTUAL_DEVICE_H
+
+typedef struct _g2_virtual_device {
+ int N; /* number of attached devices */
+ int *dix; /* index of attached devices */
+} g2_virtual_device;
+
+
+g2_virtual_device *g2_create_virtual_device();
+void g2_destroy_virtual_device(g2_virtual_device *vd);
+int g2_is_attached(int vd, int dev);
+
+#endif /* _G2_VIRTUAL_DEVICE_H */