Symbol: QF_O_EXTRA
usr/src/cmd/sendmail/src/bf.c
548
O_RDWR | O_CREAT | O_TRUNC | QF_O_EXTRA,
usr/src/cmd/sendmail/src/bf.c
710
O_RDWR | O_CREAT | O_EXCL | QF_O_EXTRA,
usr/src/cmd/sendmail/src/queue.c
556
dfd = open(df, O_WRONLY|O_CREAT|O_TRUNC|QF_O_EXTRA,