TFRC_SSTATE_NO_FBACK
case TFRC_SSTATE_NO_FBACK:
cb->state = TFRC_SSTATE_NO_FBACK;
case TFRC_SSTATE_NO_FBACK:
if (cb->state == TFRC_SSTATE_NO_FBACK) {
case TFRC_SSTATE_NO_FBACK:
case TFRC_SSTATE_NO_FBACK:
if (cb->state == TFRC_SSTATE_NO_FBACK) {