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diff --git a/sys/arch/amiga/stand/device-streams/devices.h b/sys/arch/amiga/stand/device-streams/devices.h
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index 00000000000..58b87b32d65
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+++ b/sys/arch/amiga/stand/device-streams/devices.h
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+/* -------------------------------------------------- 
+ |  NAME
+ |    devices
+ |  PURPOSE
+ |    provide simple routines and access to an exec device.
+ |  NOTES
+ | 
+ |  COPYRIGHT
+ |    Copyright (C) 1993  Christian E. Hopps
+ |
+ |    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
+ |    the Free Software Foundation; either version 2 of the License, or
+ |    (at your option) any later version.
+ |
+ |    This program 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 this program; if not, write to the Free Software
+ |    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ |    
+ |  HISTORY
+ |    chopps - Oct 9, 1993: Created.
+ +--------------------------------------------------- */
+
+#if ! defined (_DEVICES_H)
+#define _DEVICES_H
+#include "util.h"
+#include <exec/ports.h>
+#include <exec/io.h>
+#include <exec/devices.h>
+
+struct device_data {
+    struct MsgPort *port;
+    struct IORequest *io;
+    char  *name;
+    ulong  unit;
+    ulong  flags;
+    int    open;
+    
+};
+
+struct device_data * init_device (char *name, ulong unit, ulong flags, ulong iosize);
+int open_device (struct device_data *dd);
+void close_device (struct device_data *dd);
+void free_device (struct device_data *dd);
+
+#endif /* _DEVICES_H */