UIH
case UIH:
ftype = UIH;
if (ftype != UI && ftype != UIH && k > dlci->k) {
if (dlci->ftype == UIH)
dlci->ftype = UIH;
case UIH:
case UIH|PF:
if ((gsm->control & ~PF) != UIH) {
if ((gsm->control & ~PF) != UIH) {
gsm->ftype = UIH;
if (gsm->ftype == UIH)
gsm->ftype = UIH;
case UIH:
if ((control & ~PF) == UI || (control & ~PF) == UIH)
case UIH:
case UIH: