KRB5_VERIFY_INIT_CREDS_OPT_AP_REQ_NOFAIL
options->flags |= KRB5_VERIFY_INIT_CREDS_OPT_AP_REQ_NOFAIL;
if ((options->flags & KRB5_VERIFY_INIT_CREDS_OPT_AP_REQ_NOFAIL
(options->flags & KRB5_VERIFY_INIT_CREDS_OPT_AP_REQ_NOFAIL))
opt->flags |= KRB5_VERIFY_INIT_CREDS_OPT_AP_REQ_NOFAIL;