scniter
static int scniter(int *, int, int*, int*, struct chan *, int);
ic = scniter(&i, ispeed, &counter, &mode, ocp, c92);
if ((oc = scniter(&o, ospeed, &counter,
oic = scniter(&oi, ocp->ispeed, &counter, &mode, NULL, c92);
while ((ooc = scniter(&oo, ocp->ospeed, &counter,
while ((ic = scniter(&i, ispeed, &counter,
if ((oc = scniter(&o, ospeed, &counter,