void __cthread_detach (__cthread_t);
int __pthread_detach (pthread_t __threadp);
void __pthread_exit (void *value) __attribute__ ((__noreturn__));
+int __pthread_join (pthread_t, void **);
int __cthread_keycreate (__cthread_key_t *);
int __cthread_getspecific (__cthread_key_t, void **);
int __cthread_setspecific (__cthread_key_t, void *);