strong_alias (__pthread_mutexattr_destroy, pthread_mutexattr_destroy)
strong_alias (__pthread_once, pthread_once)
strong_alias (__pthread_mutexattr_destroy, pthread_mutexattr_destroy)int __pthread_mutexattr_settype(pthread_mutexattr_t *attr, int kind){  if (kind != PTHREAD_MUTEX_FAST_NP      && kind != PTHREAD_MUTEX_RECURSIVE_NP      && kind != PTHREAD_MUTEX_ERRORCHECK_NP)    return EINVAL;  attr->__mutexkind = kind;  return 0;}