result: 0
errno: 0
f_bsize: 4096
f_frsize: 4096
f_blocks: 1000000
f_bfree: 500000
f_bavail: 500000
f_files: 1
f_ffree: 1000000
f_favail: 1000000
f_fsid: 42
f_flag: 2
f_namemax: 255