memcpy(buf, &num, sizeof (num));
return (do_rd ? 0 : 1);
#else
int fd;
return (0);
if ((fd = open(__randomdev, O_WRONLY)) != -1) {
if (write(fd, buf, len) < 4)
do_rd = 1;
close(fd);
}
return (do_rd || fd == -1 ? 0 : 1);
#endif