pthread_mutexattr_destroy
int pthread_mutexattr_destroy(pthread_mutexattr_t *);
WR(stub_zero, pthread_mutexattr_destroy);
__strong_reference(_pthread_mutexattr_destroy, pthread_mutexattr_destroy);
assert (pthread_mutexattr_destroy (&mattr) == 0);
pthread_mutexattr_destroy (&mattr);
pthread_mutexattr_destroy (&mattr);
pthread_mutexattr_destroy(&mattr);