Symbol: PF_MOPEN
sys/kern/tty_pty.c
273
if ((pti->pt_flags & (PF_SOPEN|PF_MOPEN)) == 0 &&
sys/kern/tty_pty.c
627
pti->pt_flags |= PF_MOPEN;
sys/kern/tty_pty.c
662
pti->pt_flags &= ~PF_MOPEN;