-#ifdef __pthread_register_cancel
-#undef __pthread_register_cancel
-#undef __pthread_unregister_cancel
-#undef __pthread_unwind_next
-#define __pthread_register_cancel __pthread_register_cancel_3
-#define __pthread_unregister_cancel __pthread_unregister_cancel_3
-#define __pthread_unwind_next __pthread_unwind_next_3
-#endif
-