pthread_rwlock_tryrdlock
#define HEIMDAL_RWLOCK_tryrdlock(l) pthread_rwlock_tryrdlock(l)
int pthread_rwlock_tryrdlock(pthread_rwlock_t * __rwlock)
STUB_FUNC1(pthread_rwlock_tryrdlock, PJT_RWLOCK_TRYRDLOCK, int, void *)
__weak_reference(_Tthr_rwlock_tryrdlock, pthread_rwlock_tryrdlock);