int
__open (file, oflag)
     const char *file;
     int oflag;
{
  int mode;

  if (file == NULL)
    {
      __set_errno (EINVAL);
      return -1;
    }

  if (oflag & O_CREAT)
    {
      va_list arg;
      va_start(arg, oflag);
      mode = va_arg(arg, int);
      va_end(arg);
    }

  __set_errno (ENOSYS);
  return -1;
}