TS_OPEN
if (rmtape >= 0 && rmtstate != TS_OPEN) {
rmtstate = TS_OPEN;
if (rmtstate != TS_OPEN)
case TS_OPEN:
(ldcp->tstate & ~TS_IN_RESET) == TS_OPEN &&
if ((ldcp->tstate & ~TS_IN_RESET) == TS_OPEN) {
if ((ldcp->tstate & ~TS_IN_RESET) >= TS_OPEN) {
if ((ldcp->tstate & ~TS_IN_RESET) < TS_OPEN) {
ldcp->tstate = TS_OPEN;
#define TS_READY (TS_OPEN | TS_LINK_READY)