+hidden int __init_tp(void *);
+hidden void *__copy_tls(unsigned char *);
+hidden void __reset_tls();
+
+hidden void __dl_thread_cleanup(void);
+hidden void __testcancel();
+hidden void __do_cleanup_push(struct __ptcb *);
+hidden void __do_cleanup_pop(struct __ptcb *);
+hidden void __pthread_tsd_run_dtors();
+
+hidden void __pthread_key_delete_synccall(void (*)(void *), void *);
+hidden int __pthread_key_delete_impl(pthread_key_t);
+
+extern hidden volatile int __block_new_threads;
+extern hidden volatile size_t __pthread_tsd_size;
+extern hidden void *__pthread_tsd_main[];
+extern hidden volatile int __aio_fut;
+extern hidden volatile int __eintr_valid_flag;