u4                903 src/dps8/dps8_iom.c     uint iom_unit_idx = (uint) (up -> u4);
u4               2304 src/dps8/dps8_scu.c             iom_dev.units[iom_unit_idx].u4 = (int32) iom_unit_idx;
u4                427 src/simh/sim_defs.h     int32               u4;                             /* device specific */