USE_SOCKET_DEV_APPROACH  506 src/dps8/dps8_mgp.c # if !USE_SOCKET_DEV_APPROACH
USE_SOCKET_DEV_APPROACH  672 src/dps8/dps8_mgp.c # if USE_SOCKET_DEV_APPROACH
USE_SOCKET_DEV_APPROACH 5167 src/simh/scp.c # if USE_SOCKET_DEV_APPROACH