USE_SOCKET_DEV_APPROACH  507 src/dps8/dps8_mgp.c # if !USE_SOCKET_DEV_APPROACH
USE_SOCKET_DEV_APPROACH  673 src/dps8/dps8_mgp.c # if USE_SOCKET_DEV_APPROACH
USE_SOCKET_DEV_APPROACH 5229 src/simh/scp.c # if USE_SOCKET_DEV_APPROACH