_PATH_DEVNULL 285 src/cron.c if ((fd = open(_PATH_DEVNULL, O_RDWR, 0)) >= 0) { _PATH_DEVNULL 511 src/crontab.c if (!(f = fopen(_PATH_DEVNULL, "r"))) { _PATH_DEVNULL 512 src/crontab.c perror(_PATH_DEVNULL); _PATH_DEVNULL 60 src/pathnames.h #ifndef _PATH_DEVNULL