l_type            113 src/dps8/shm.c   bflock.l_type = F_WRLCK;
l_type            244 src/dps8/shm.c   lock.l_type = F_WRLCK;
l_type            326 src/dps8/shm.c   bflock.l_type = F_WRLCK;
l_type            361 src/dps8/shm.c   lock.l_type = F_WRLCK;
l_type            387 src/dps8/shm.c       lock.l_type = F_UNLCK;
l_type            399 src/dps8/shm.c       bflock.l_type = F_UNLCK;
l_type            271 src/simh/sim_fio.c lock.l_type = F_WRLCK;