1typedef unsigned int	__kernel_dev_t;
2typedef __kernel_dev_t		dev_t;
3struct ustat {
4};
5typedef unsigned int kdev_t;
6static inline kdev_t to_kdev_t(int dev)
7{
8	int major, minor;
9	major = (dev >> 8);
10	minor = (dev & 0xff);
11	return ((( major ) << 22 ) | (  minor )) ;
12}
13struct super_block {
14};
15struct super_block * get_super (kdev_t dev);
16int sys_ustat(dev_t dev, struct ustat * ubuf)
17{
18        struct super_block *s;
19        s = get_super(to_kdev_t(dev));
20}
21