ECHOPRT
ip->t.c_lflag &= ~ECHOPRT;
#define LKEEP (ECHOKE|ECHOE|ECHOK|ECHOPRT|ECHOCTL|ALTWERASE|TOSTOP|NOFLSH)
{ "echoprt", ECHOPRT, 0 },
{ "-echoprt", 0, ECHOPRT },
{ "prterase", ECHOPRT, 0 },
{ "-prterase", 0, ECHOPRT },
{ "crt", ECHOE|ECHOKE|ECHOCTL, ECHOK|ECHOPRT },
{ "newcrt", ECHOE|ECHOKE|ECHOCTL, ECHOK|ECHOPRT },
put("-echoprt", ECHOPRT, 0);
SET(lflag, ECHOPRT);
CLR(lflag, ECHOPRT);
} else if (ISSET(tp->t_lflag, ECHOPRT)) {
!ISSET(lflag, ECHOPRT))
| ECHOPRT
{ "echoprt", ECHOPRT, 0 },
{ "-echoprt", 0, ECHOPRT },
{ "prterase", ECHOPRT, 0 },
{ "-prterase", 0, ECHOPRT },
{ "crt", ECHOE|ECHOKE|ECHOCTL, ECHOK|ECHOPRT },
{ "newcrt", ECHOE|ECHOKE|ECHOCTL, ECHOK|ECHOPRT },