check_pac
if (inctx == NULL || inctx->check_pac) {
krb5_boolean check_pac;
(*ctx)->check_pac = (context->flags & KRB5_CTX_F_CHECK_PAC) ? 1 : 0;
in->check_pac = flag;
check_pac(context, -1, saved_pac, sizeof(saved_pac), authtime, p,
check_pac(context, pi - s4u_pacs, pi->data, pi->length,