--- /dev/null
+++ Libc/Libc-391.4.3/mach/error_codes.c
@@ -0,0 +1,101 @@
+/*
+ * Copyright (c) 2003 Apple Computer, Inc. All rights reserved.
+ *
+ * @APPLE_LICENSE_HEADER_START@
+ * 
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this
+ * file.
+ * 
+ * The 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, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
+ * 
+ * @APPLE_LICENSE_HEADER_END@
+ */
+/*
+ * @OSF_COPYRIGHT@
+ */
+/* 
+ * 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 
+ * 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 the
+ * rights to redistribute these changes.
+ */
+
+/*
+ *	File:	error_codes.c
+ *	Author:	Douglas Orr, Carnegie Mellon University
+ *	Date:	Mar, 1988
+ *
+ *      Generic error code interface
+ */
+
+#include <mach/error.h>
+#include "errorlib.h"
+#include "err_kern.sub"
+#include "err_us.sub"
+#include "err_server.sub"
+#include "err_ipc.sub"
+#include "err_mach_ipc.sub"
+
+__private_extern__ struct error_system _mach_errors[err_max_system+1] = {
+	/* 0; err_kern */
+	{
+		errlib_count(err_os_sub),
+		(char *)"(operating system/?) unknown subsystem error",
+		err_os_sub,
+	},
+	/* 1; err_us */
+	{
+		errlib_count(err_us_sub),
+		(char *)"(user space/?) unknown subsystem error",
+		err_us_sub,
+	},
+	/* 2; err_server */
+	{
+		errlib_count(err_server_sub),
+		(char *)"(server/?) unknown subsystem error",
+		err_server_sub,
+	},
+	/* 3 (& 3f); err_ipc */
+	{
+		errlib_count(err_ipc_sub),
+		(char *)"(ipc/?) unknown subsystem error",
+		err_ipc_sub,
+	},
+	/* 4; err_mach_ipc */
+	{
+		errlib_count(err_mach_ipc_sub),
+		(char *)"(ipc/?) unknown subsystem error",
+		err_mach_ipc_sub,
+	},
+};
+
+int error_system_count = errlib_count(_mach_errors);