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