p .Sh RETURN VALUES The .Fn pam_getenv function returns .Dv NULL on failure. .Sh SEE ALSO .Xr getenv 3 , .Xr pam 3 , .Xr pam_getenvlist 3 , .Xr pam_putenv 3 , .Xr pam_setenv 3 .Sh STANDARDS .Rs .%T "X/Open Single Sign-On Service (XSSO) - Pluggable Authentication Modules" .%D "June 1997" .Re .Sh AUTHORS The .Fn pam_getenv function and this manual page were developed for the .Fx Project by ThinkSec AS and Network Associates Laboratories, the Security Research Division of Network Associates, Inc. under DARPA/SPAWAR contract N66001-01-C-8035
q Dq CBOSS , as part of the DARPA CHATS research program.
p The OpenPAM library is maintained by .An Dag-Erling Sm\(/orgrav Aq Mt des (at] des.dev .