if (xid==VC_NOCTX)
WRITE_MSG(2, "No xid specified; try '--help' for more information\n");
+ else if (optind!=argc)
+ WRITE_MSG(2, "Unused argument(s); try '--help' for more information\n");
else if (vc_set_mapping(xid, device, target, flags)==-1)
perror("vc_set_mapping()");
else