slapauth version (return code: 0)
ID: <version> check succeeded
authcID: <uid=version,cn=auth>
slapauth --help (return code: 1)
slapauth: invalid option -- '-'
usage: slapauth [-v] [-d debuglevel] [-f configfile] [-F configdir] [-o <name>[=<value>]]
[-U authcID] [-X authzID] [-R realm] [-M mech] ID [...]