ISIG         /* Enable signals.  */
ICANON       /* Do erase and kill processing.  */
XCASE
ECHO         /* Enable echo.  */
ECHOE        /* Visual erase for ERASE.  */
ECHOK        /* Echo NL after KILL.  */
ECHONL       /* Echo NL even if ECHO is off.  */
NOFLSH       /* Disable flush after interrupt.  */
IEXTEN       /* Enable DISCARD and LNEXT.  */
ECHOCTL      /* Echo control characters as ^X.  */
ECHOPRT      /* Hardcopy visual erase.  */
ECHOKE       /* Visual erase for KILL.  */
FLUSHO
PENDIN       /* Retype pending input (state).  */
TOSTOP       /* Send SIGTTOU for background output.  */
EXTPROC      /* External processing on pty */

DEFECHO      /* SUNOS thing, what is it? */