_pthread_rwlock_wrlock
_pthread_rwlock_wrlock(lock);
#define pthread_rwlock_wrlock _pthread_rwlock_wrlock
_pthread_rwlock_wrlock(l)
result = _pthread_rwlock_wrlock(&nss_lock);
_pthread_rwlock_wrlock(&nss_lock);
((ret = _pthread_rwlock_wrlock(&rwlock)) != 0)) { \
if (__isthreaded) _pthread_rwlock_wrlock(x); \
__strong_reference(_pthread_rwlock_wrlock, pthread_rwlock_wrlock);