ECHO             1517 src/dps8/panelScraper.c     config.c_lflag &= ~(unsigned int) (ECHO | ECHONL | ICANON | IEXTEN | ISIG);
ECHO              313 src/libsir/src/sirhelpers.c     new.c_lflag &= ~(ICANON | ECHO);
ECHO              253 src/simh/linehistory.c   raw.c_lflag &= ~( ECHO | ICANON | IEXTEN | ISIG );
ECHO             2135 src/simh/sim_console.c runtty.sg_flags     = cmdtty.sg_flags & ~(ECHO|CRMOD) | CBREAK;
ECHO             2230 src/simh/sim_console.c runtty.c_lflag        = runtty.c_lflag & ~(ECHO | ICANON);     /* no echo or edit */