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};