drv_sgmode
drv_sgmode, /* sgmode */
if ((drv_sgmode(TCB, FALSE, &(_term->Nttyb)) == OK)) {
if (drv_sgmode(TCB, TRUE, &(_term->Nttyb)) == OK) {
if (drv_sgmode(TCB, FALSE, &(_term->Ottyb)) == OK) {
code = drv_sgmode(TCB, TRUE, &(_term->Ottyb));