l_type            124 src/dps8/shm.c   bflock.l_type = F_WRLCK;
l_type            262 src/dps8/shm.c   lock.l_type = F_WRLCK;
l_type            349 src/dps8/shm.c   bflock.l_type = F_WRLCK;
l_type            384 src/dps8/shm.c   lock.l_type = F_WRLCK;
l_type            415 src/dps8/shm.c       lock.l_type = F_UNLCK;
l_type            427 src/dps8/shm.c       bflock.l_type = F_UNLCK;
l_type            266 src/simh/sim_fio.c lock.l_type = F_WRLCK;