--- /dev/null
+++ Libc/Libc-262/mach/mig_reply_setup.c
@@ -0,0 +1,75 @@
+/*
+ * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
+ *
+ * @APPLE_LICENSE_HEADER_START@
+ * 
+ * The contents of this file constitute Original Code as defined in and
+ * are subject to the Apple Public Source License Version 1.1 (the
+ * "License").  You may not use this file except in compliance with the
+ * License.  Please obtain a copy of the License at
+ * http://www.apple.com/publicsource and read it before using this file.
+ * 
+ * This Original Code and all software distributed under the License are
+ * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
+ * License for the specific language governing rights and limitations
+ * under the License.
+ * 
+ * @APPLE_LICENSE_HEADER_END@
+ */
+/* 
+ * Mach Operating System
+ * Copyright (c) 1991 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.
+ */
+
+/*
+ * Routine to set up a MiG reply message from a request message.
+ *
+ * Knows about the MiG reply message ID convention:
+ *	reply_id = request_id + 100
+ *
+ * For typed IPC sets up the RetCode type field.  Does NOT set a
+ * return code value.
+ */
+
+#include <mach/mach.h>
+#include <mach/message.h>
+#include <mach/mig_errors.h>
+
+void
+mig_reply_setup(mach_msg_header_t *request, mach_msg_header_t *reply)
+{
+#define	InP	(request)
+#define	OutP	((mig_reply_error_t *) reply)
+
+	OutP->Head.msgh_bits =
+		MACH_MSGH_BITS(MACH_MSGH_BITS_LOCAL(InP->msgh_bits), 0);
+	OutP->Head.msgh_size = sizeof(mig_reply_error_t);
+	OutP->Head.msgh_remote_port = InP->msgh_local_port;
+	OutP->Head.msgh_local_port  = MACH_PORT_NULL;
+	OutP->Head.msgh_id = InP->msgh_id + 100;
+	OutP->NDR = NDR_record;
+}