--- Libc/Libc-763.13/sys/__libc_init.c
+++ Libc/Libc-583/sys/__libc_init.c
@@ -31,46 +31,27 @@
 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 __guard_setup(const char *apple[]);
-extern void __malloc_entropy_setup(const char *apple[]);
-extern int usenew_impl;
+extern void __guard_setup(void);
 
 #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[])
+__private_extern__ void
+__libc_init(const struct ProgramVars *vars)
 {
 	_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);
-	__malloc_entropy_setup(apple);
-
+	__guard_setup();
 
 #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
-
 }