and don't attempt to do any file name translation (e.g, search in fstab)".
In the non -F case, search for special in fstab. If found, convert fs_spec
to a raw device name. In any case, use opendisk(3) to open the device.
- reorder "special" validation to after option parsing
- use getopt(3) instead of homegrown code
- add getnum() to parse and validate a number
- clean up man page
- ansi KNF, WARNS=2