fsbtoblk
fsbtoblk(sfsp->f_blocks, sfsp->f_frsize, blocksize),
fsbtoblk(used, sfsp->f_frsize, blocksize),
fsbtoblk(bavail, sfsp->f_frsize, blocksize),
(void)printf("%jd", fsbtoblk(bavail,
fsbtoblk(sfsp->f_blocks, sfsp->f_frsize, blocksize),
blksize_width, fsbtoblk(used, sfsp->f_frsize, blocksize),
blksize_width, fsbtoblk(bavail, sfsp->f_frsize, blocksize));