Theres no point, but its also not possible
Tupac, maybe you are thinking of this section in bnetd.conf
# If someone attempts to log in more than once, should it kick off the old
# login, or deny the new one?
kick_old_login = true
#kick_old_login = false
Its saying should it kick the current user or deny the new user from logging into the same name. Default is kick the old user