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diff --git a/ipc/ipc_right.h b/ipc/ipc_right.h
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+/*
+ * Mach Operating System
+ * Copyright (c) 1991,1990,1989 Carnegie Mellon University
+ * All Rights Reserved.
+ *
+ * Permission to use, copy, modify and distribute this software and its
+ * documentation is hereby granted, provided that both the copyright
+ * notice and this permission notice appear in all copies of the
+ * software, derivative works or modified versions, and any portions
+ * thereof, and that both notices appear in supporting documentation.
+ *
+ * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
+ * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
+ * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
+ *
+ * Carnegie Mellon requests users of this software to return to
+ *
+ *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
+ *  School of Computer Science
+ *  Carnegie Mellon University
+ *  Pittsburgh PA 15213-3890
+ *
+ * any improvements or extensions that they make and grant Carnegie Mellon
+ * the rights to redistribute these changes.
+ */
+/*
+ */
+/*
+ *	File:	ipc/ipc_right.h
+ *	Author:	Rich Draves
+ *	Date:	1989
+ *
+ *	Declarations of functions to manipulate IPC capabilities.
+ */
+
+#ifndef	_IPC_IPC_RIGHT_H_
+#define	_IPC_IPC_RIGHT_H_
+
+#include <mach/boolean.h>
+#include <mach/kern_return.h>
+#include <ipc/ipc_entry.h>
+#include <ipc/ipc_port.h>
+
+#define	ipc_right_lookup_read	ipc_right_lookup_write
+
+extern kern_return_t
+ipc_right_lookup_write(ipc_space_t, mach_port_name_t, ipc_entry_t *);
+
+extern boolean_t
+ipc_right_reverse(ipc_space_t, ipc_object_t,
+		  mach_port_name_t *, ipc_entry_t *);
+
+extern kern_return_t
+ipc_right_dnrequest(ipc_space_t, mach_port_name_t, boolean_t,
+		    ipc_port_t, ipc_port_t *);
+
+extern ipc_port_t
+ipc_right_dncancel(ipc_space_t, ipc_port_t, mach_port_name_t, ipc_entry_t);
+
+#define	ipc_right_dncancel_macro(space, port, name, entry)		\
+		(((entry)->ie_request == 0) ? IP_NULL :			\
+		 ipc_right_dncancel((space), (port), (name), (entry)))
+
+extern boolean_t
+ipc_right_inuse(ipc_space_t, mach_port_name_t, ipc_entry_t);
+
+extern boolean_t
+ipc_right_check(ipc_space_t, ipc_port_t, mach_port_name_t, ipc_entry_t);
+
+extern void
+ipc_right_clean(ipc_space_t, mach_port_name_t, ipc_entry_t);
+
+extern kern_return_t
+ipc_right_destroy(ipc_space_t, mach_port_name_t, ipc_entry_t);
+
+extern kern_return_t
+ipc_right_dealloc(ipc_space_t, mach_port_name_t, ipc_entry_t);
+
+extern kern_return_t
+ipc_right_delta(ipc_space_t, mach_port_name_t, ipc_entry_t,
+		mach_port_right_t, mach_port_delta_t);
+
+extern kern_return_t
+ipc_right_info(ipc_space_t, mach_port_name_t, ipc_entry_t,
+	       mach_port_type_t *, mach_port_urefs_t *);
+
+extern boolean_t
+ipc_right_copyin_check(ipc_space_t, mach_port_name_t, ipc_entry_t,
+		       mach_msg_type_name_t);
+
+extern kern_return_t
+ipc_right_copyin(ipc_space_t, mach_port_name_t, ipc_entry_t,
+		 mach_msg_type_name_t, boolean_t,
+		 ipc_object_t *, ipc_port_t *);
+
+extern void
+ipc_right_copyin_undo(ipc_space_t, mach_port_name_t, ipc_entry_t,
+		      mach_msg_type_name_t, ipc_object_t, ipc_port_t);
+
+extern kern_return_t
+ipc_right_copyin_two(ipc_space_t, mach_port_name_t, ipc_entry_t,
+		     ipc_object_t *, ipc_port_t *);
+
+extern kern_return_t
+ipc_right_copyout(ipc_space_t, mach_port_name_t, ipc_entry_t,
+		  mach_msg_type_name_t, boolean_t, ipc_object_t);
+
+extern kern_return_t
+ipc_right_rename(ipc_space_t, mach_port_name_t, ipc_entry_t,
+		 mach_port_name_t, ipc_entry_t);
+
+#endif	/* _IPC_IPC_RIGHT_H_ */