1struct statfs {
2	unsigned long f_type, f_bsize, f_frsize;
3	fsblkcnt_t f_blocks, f_bfree;
4	fsfilcnt_t f_files, f_ffree;
5	fsblkcnt_t f_bavail;
6	fsid_t f_fsid;
7	unsigned long f_namelen, f_flags, f_spare[5];
8};
9