USE_SOCKET_DEV_APPROACH  502 src/dps8/dps8_mgp.c # if !USE_SOCKET_DEV_APPROACH
USE_SOCKET_DEV_APPROACH  668 src/dps8/dps8_mgp.c # if USE_SOCKET_DEV_APPROACH
USE_SOCKET_DEV_APPROACH 4380 src/dps8/dps8_sys.c #  if USE_SOCKET_DEV_APPROACH
USE_SOCKET_DEV_APPROACH 4763 src/simh/scp.c # if USE_SOCKET_DEV_APPROACH