int pthread_cond_timedwait(
pthread_cond_t * __restrict, pthread_mutex_t * __restrict,
const struct timespec * _Nullable __restrict)
__DARWIN_ALIAS_C(pthread_cond_timedwait);
int pthread_cond_timedwait(
pthread_cond_t * __restrict, pthread_mutex_t * __restrict,
const struct timespec * _Nullable __restrict)
__DARWIN_ALIAS_C(pthread_cond_timedwait);