strsuftoi64
static int64_t strsuftoi64(const char *, const char *, int64_t, int64_t, int *);
Oflag = strsuftoi64("format", optarg, 0, 2, NULL);
sectorsize = strsuftoi64("sector size",
verbosity = strsuftoi64("verbose", optarg, 0, 4, NULL);
maxcontig = strsuftoi64("maximum contiguous blocks",
bsize = strsuftoi64("block size",
maxbsize = strsuftoi64("maximum extent size",
maxbpg = strsuftoi64(
fsize = strsuftoi64("fragment size",
avgfilesize = strsuftoi64("average file size",
avgfpdir = strsuftoi64("expected files per directory",
density = strsuftoi64("bytes per inode",
minfree = strsuftoi64("free space %",
num_inodes = strsuftoi64("number of inodes",
fssize = strsuftoi64("file system size",
Oflag = strsuftoi64("format", optarg, 0, 1, NULL);
sectorsize = strsuftoi64("sector size",
verbosity = strsuftoi64("verbose", optarg, 0, 4, NULL);
bsize = strsuftoi64("block size",
fsize = strsuftoi64("fragment size",
density = strsuftoi64("bytes per inode",
minfree = strsuftoi64("free space %",
num_inodes = strsuftoi64("number of inodes",
fssize = strsuftoi64("file system size",
static int64_t strsuftoi64(const char *, const char *, int64_t, int64_t, int *);
static int64_t strsuftoi64(const char *, const char *, int64_t, int64_t, int *);
lfs_segsize = strsuftoi64("segment size", optarg, LFS_MINSEGSIZE, INT64_MAX, NULL);
interleave = strsuftoi64("interleave", optarg, 0, INT64_MAX, NULL);
minfreeseg = strsuftoi64("minfreeseg", optarg, 0, INT64_MAX, NULL);
start = strsuftoi64("start", optarg, 0, INT64_MAX, NULL);
resvseg = strsuftoi64("resvseg", optarg, 0, INT64_MAX, NULL);
secsize = strsuftoi64("sector size", optarg, 1, INT64_MAX, NULL);
bsize = strsuftoi64("block size", optarg, LFS_MINBLOCKSIZE, INT64_MAX, NULL);
fsize = strsuftoi64("fragment size", optarg, LFS_MINBLOCKSIZE, INT64_MAX, NULL);
ibsize = strsuftoi64("inode block size", optarg, LFS_MINBLOCKSIZE, INT64_MAX, NULL);
minfree = strsuftoi64("free space %", optarg, 0, 99, NULL);
roll_id = strsuftoi64("roll-forward id", optarg, 1, UINT_MAX, NULL);
fssize = strsuftoi64("file system size", optarg, 0, INT64_MAX, &byte_sized);
version = strsuftoi64("file system version", optarg, 1, LFS_VERSION, NULL);