openpam_free_data —
    generic cleanup function
The openpam_free_data() function is an
    OpenPAM extension.
The openpam_free_data() 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>.