F_TTY
{F_TTY, 'y'}, /* controlling tty */
case F_TTY:
case F_TTY:
case F_TTY:
case F_TTY:
case F_TTY:
f->f_type = F_TTY;
if (arg & ~(F_CDIR|F_RDIR|F_TEXT|F_MAP|F_OPEN|F_TRACE|F_TTY)) {
if (arg & F_TTY)
use_flag |= F_TTY;
use_flag |= F_TTY;