l_type            121 src/dps8/shm.c   bflock.l_type = F_WRLCK;
l_type            275 src/dps8/shm.c   lock.l_type = F_WRLCK;
l_type            391 src/dps8/shm.c   bflock.l_type = F_WRLCK;
l_type            434 src/dps8/shm.c   lock.l_type = F_WRLCK;
l_type            460 src/dps8/shm.c       lock.l_type = F_UNLCK;
l_type            472 src/dps8/shm.c       bflock.l_type = F_UNLCK;
l_type            263 src/simh/sim_fio.c lock.l_type = F_WRLCK;