pthread_key_create
pthread_keycreate_ret = pthread_key_create(&key, __res_destroy_ctx);
tm_multi_key_err = pthread_key_create(&tm_multi_key, free);
pthread_key_create,
int pthread_key_create(pthread_key_t *, void (*)(void *));
__strong_alias(__libc_thr_keycreate,pthread_key_create)
if (pthread_key_create(key, dtor) == 0)
if (pthread_key_create(&context_key, free_context) != 0) {
pthread_key_create(&curlwpkey, NULL);
FORKEE_PTHREAD(pthread_key_create(&thread_concurrent_key,
RZ(pthread_key_create(&C->jmp_key, NULL));