ttycommon_ioctl
if ((datasize = ttycommon_ioctl(tp, wq, mp, &error)) != 0) {
ttycommon_ioctl(&pty->pt_ttycommon, q, mp, &error)) != 0) {
(void) ttycommon_ioctl(tp, q, mp, &error);
datasize = ttycommon_ioctl(&pvc->vc_ttycommon, q, mp, &error);
extern size_t ttycommon_ioctl(tty_common_t *, queue_t *, mblk_t *, int *);
if ((datasize = ttycommon_ioctl(tp, wq, mp, &error)) != 0) {
datasize = ttycommon_ioctl(&za->za_ttycommon, wq, mp, &error);
if ((datasize = ttycommon_ioctl(tp, wq, mp, &error)) != 0) {
data_size = ttycommon_ioctl(tty, q, mp, &error);
data_size = ttycommon_ioctl(tty, q, mp, &error);