O_NOCTTY          347 lib/fcntl.in.h #ifndef O_NOCTTY
O_NOCTTY           82 lib/openat-proc.c                 O_SEARCH | O_DIRECTORY | O_NOCTTY | O_NONBLOCK | O_CLOEXEC);
O_NOCTTY         2173 src/process.c        pty_tty = emacs_open (pty_name, O_RDWR | O_NOCTTY, 0);
O_NOCTTY         2342 src/process.c        int forkout = emacs_open (pty_name, O_RDWR | O_NOCTTY, 0);
O_NOCTTY         3006 src/sysdep.c     int fd = emacs_open (SSDATA (port), O_RDWR | O_NOCTTY | O_NONBLOCK, 0);
O_NOCTTY         2416 src/term.c           fd = emacs_open (t->display_info.tty->name, O_RDWR | O_NOCTTY, 0);
O_NOCTTY         4126 src/term.c         int flags = O_RDWR | O_NOCTTY | (ctty ? 0 : O_IGNORE_CTTY);