const char **ptr_pam_user = &pam_user;
char *tz = getenv("TZ");
pam_get_item(sshpam_handle, PAM_USER,
sshpam_err = pam_get_item(sshpam_handle, PAM_USER,
(sshpam_const void **)ptr_pam_user);
if (sshpam_err != PAM_SUCCESS)
goto auth_fail;
environ[0] = NULL;
if (tz != NULL)