Note: help and version output are generated by a naïve script which tries a few variants of
<command> --help, <command> -h etc. to find the command's help and version info.
Sometimes it gets lucky, sometimes it doesn't; if the output below looks wrong, it probably is.
db_deadlock -VERSION (return code: 0)
Berkeley DB 5.3.28: (September 9, 2013)
db_deadlock --help (return code: 1)
db_deadlock: invalid option -- '-'
usage: db_deadlock [-Vv] [-a e | m | n | o | W | w | y]
[-h home] [-L file] [-P password] [-t sec.usec]