openpam_get_option —
    returns the value of a module option
The
    openpam_get_option()
    function returns the value of the specified option in the context of the
    currently executing service module, or NULL if the
    option is not set or no module is currently executing.
The openpam_get_option() function returns
    NULL on failure.
The openpam_get_option() function is an
    OpenPAM extension.
The openpam_get_option() function and this
    manual page were developed for the FreeBSD Project
    by ThinkSec AS and Network Associates Laboratories, the Security Research
    Division of Network Associates, Inc. under DARPA/SPAWAR contract
    N66001-01-C-8035 (“CBOSS”), as part of the DARPA CHATS
    research program.
The OpenPAM library is maintained by Dag-Erling
    Smørgrav
    <des@des.no>.