get_ctty          754 src/login/logind-session.c         r = get_ctty(pid, NULL, &p);
get_ctty         2693 src/shared/util.c                 return get_ctty(0, NULL, r);
get_ctty          444 src/shared/util.h int get_ctty(pid_t, dev_t *_devnr, char **r);