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ffs_checkver() and later use it in the switch statement, just use ffs_checkver. * Remove unneded <sys/queue.h> header. * Remove LFS from fstypes, it was never used. * Increase SBCOUNT to 128, works faster. * Remove unneded casts. * (-F mode) close fd when the scan has finished or if pread() failed. * (-F mode) print total size of file.