pthread_mutexattr_init
int pthread_mutexattr_init(pthread_mutexattr_t *);
weak_symbol(pthread_mutexattr_init);
pthread_mutexattr_init(&recattr);
PROTO_STD_DEPRECATED(pthread_mutexattr_init);
if ((irc = pthread_mutexattr_init(&mtxattr)) != 0)
CHECKr(pthread_mutexattr_init(&mutex_debug_attr));
CHECKr(pthread_mutexattr_init(&mutex_recursive_attr));
CHECKr(pthread_mutexattr_init(&mutex_normal_attr));
CHECKr(pthread_mutexattr_init (&mattr));