_pthread_attr_get_np()
- attr = pthread->attr;
- memcpy(&dst->pthread_attr_start_copy, ...

_pthread_attr_init()
- memcpy(pattr, &_pthread_attr_default, ...

_pthread_attr_setaffinity_np()
- attr->cpuset = NULL; attr->cpusetsize = 0;

_pthread_create()
- several places (struct copies, memset)

thread_start()
- set = curthread->sigmask;

init_main_thread()
- thread->attr = _pthread_attr_default;

join_common()
- TIMESPEC_SUB(&ts2, abstime, &ts);

mutex_init()
- pmutex->m_owner = NULL (and following)

_mutex_cv_detach()
- DEQUEUE_MUTEX(curthread, mp);

mutex_self_lock()
- TIMESPEC_SUB(&ts2, abstime, &ts1);

mutex_unlock_common()
- DEQUEUE_MUTEX(curthread, m);

_thread_printf()
- va_start()

_thr_rtld_lock_destroy()
- the for loop

thr_sig.c
- many struct copies, memcpy

__thr_fcntl()
__thr_openat()
- va_start()

__thr_umutex_timedlock()
- timeout._timeout = *abstime;

_thr_umtx_timedwait_uint()
- timeout._timeout = *abstime;

_thr_ucond_init()
- bzero(cv, sizeof(struct ucond));

__thr_rwlock_rdlock()
__thr_rwlock_wrlock()
- timeout._timeout = *tsp;

_thr_umutex_init()
_thr_urwlock_init()
- *mtx = default_foo;