--- /dev/null
+++ Libc/Libc-825.26/sys/__libc_init.c
@@ -0,0 +1,82 @@
+/*
+ * Copyright (c) 2005-2007 Apple 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@
+ */
+/*
+ * __libc_init() is called from libSystem_initializer()
+ */
+
+#include <stdint.h>
+#include <pthread.h>
+#include <pthread_machdep.h>
+#include <machine/cpu_capabilities.h>
+
+struct ProgramVars; /* forward reference */
+
+extern void _program_vars_init(const struct ProgramVars *vars);
+extern void _libc_fork_init(void (*prepare)(void), void (*parent)(void), void (*child)(void));
+extern void _init_clock_port();
+extern pthread_lock_t _malloc_lock;
+extern void __xlocale_init(void);
+extern void __pthread_pfz_setup(const char *apple[]);
+extern void __guard_setup(const char *apple[]);
+extern void __malloc_entropy_setup(const char *apple[]);
+extern int usenew_impl;
+
+__private_extern__ uintptr_t commpage_pfz_base;
+
+#ifdef PR_5243343
+/* 5243343 - temporary hack to detect if we are running the conformance test */
+#include <stdlib.h>
+__private_extern__ int PR_5243343_flag = 0;
+#endif /* PR_5243343 */
+__private_extern__ int __pthread_lock_debug = 0;
+__private_extern__ int __pthread_lock_old = 0;
+
+
+void
+__libc_init(const struct ProgramVars *vars, void (*atfork_prepare)(void), void (*atfork_parent)(void), void (*atfork_child)(void), const char *apple[])
+{
+	_program_vars_init(vars);
+	_libc_fork_init(atfork_prepare, atfork_parent, atfork_child);
+	LOCK_INIT(_malloc_lock);
+	_init_clock_port();
+	__xlocale_init();
+	__guard_setup(apple);
+	__pthread_pfz_setup(apple);
+	__malloc_entropy_setup(apple);
+
+
+#ifdef PR_5243343
+	/* 5243343 - temporary hack to detect if we are running the conformance test */
+	if(getenv("TET_EXECUTE"))
+		PR_5243343_flag = 1;
+#endif /* PR_5243343 */
+#if defined(__i386__) || defined(__x86_64__)
+        if(getenv("__PTHREAD_LOCK_DEBUG__"))
+                __pthread_lock_debug = 1;
+        if(getenv("__PTHREAD_LOCK_OLD__")) {
+                __pthread_lock_old = 1;
+                usenew_impl = 0;
+        }
+#endif
+
+}