OCRNL
{ "ocrnl", OCRNL, 0 },
{ "-ocrnl", 0, OCRNL },
put("-ocrnl", OCRNL, 0);
#ifdef OCRNL
TTYMODE(OCRNL, c_oflag, 73)
else if (c == '\r' && ISSET(tp->t_oflag, OCRNL))
tio.c_oflag &= ~(OCRNL | ONLCR);
if (oldmode.c_oflag & (TAB3 | ONLCR | OCRNL | ONLRET)) {
oldmode.c_oflag &= (TAB3 | ONLCR | OCRNL | ONLRET);
#ifdef OCRNL
| OCRNL