__Tthr_mutex_trylock
[PJT_MUTEX_TRYLOCK] = {DUAL_ENTRY(__Tthr_mutex_trylock)},
__weak_reference(__Tthr_mutex_trylock, pthread_mutex_trylock);
__weak_reference(__Tthr_mutex_trylock, __pthread_mutex_trylock);
__strong_reference(__Tthr_mutex_trylock, _pthread_mutex_trylock);
int __Tthr_mutex_trylock(pthread_mutex_t *);