Symbol: TIOCOUTQ
usr/src/cmd/truss/codes.c
397
{ (uint_t)TIOCOUTQ, "TIOCOUTQ", NULL }, /* 115 */
usr/src/lib/libcurses/screen/draino.c
63
#ifdef TIOCOUTQ
usr/src/lib/libcurses/screen/draino.c
76
rv = ioctl(cur_term->Filedes, TIOCOUTQ, &ncthere);