--- Libc/Libc-320/include/libc.h
+++ Libc/Libc-1725.40.4/include/libc.h
@@ -2,8 +2,6 @@
  * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
  *
  * @APPLE_LICENSE_HEADER_START@
- * 
- * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
  * 
  * This file contains Original Code and/or Modifications of Original Code
  * as defined in and that are subject to the Apple Public Source License
@@ -29,8 +27,8 @@
 #ifndef _LIBC_H
 #define _LIBC_H
 
+#include <_bounds.h>
 #include <stdio.h>
-#include <standards.h>
 #include <unistd.h>
 
 #ifdef	__STRICT_BSD__
@@ -43,13 +41,13 @@
 #include <stdarg.h>
 #endif
 
+#include <sys/param.h>
 #include <sys/mount.h>
 #include <sys/types.h>
 #include <sys/wait.h>
 #include <sys/time.h>
 #include <sys/times.h>
 #include <sys/resource.h>
-#include <sys/param.h>
 #include <signal.h>
 #include <sys/time.h>
 #include <sys/stat.h>
@@ -62,10 +60,12 @@
 #include <mach/boolean.h>
 #include <mach/kern_return.h>
 
+_LIBC_SINGLE_BY_DEFAULT()
+
 struct qelem {
         struct qelem *q_forw;
         struct qelem *q_back;
-        char *q_data;
+        char *_LIBC_UNSAFE_INDEXABLE q_data;
 };
 
 #include <sys/cdefs.h>