check_opt(argc, argv, i, 4, "<color fg modeline> <color bg modeline> <color fg highlight> <color bg highlight>");
color_fg_modeline = atoi(argv[i+1]);
color_bg_modeline = atoi(argv[i+2]);
check_opt(argc, argv, i, 4, "<color fg modeline> <color bg modeline> <color fg highlight> <color bg highlight>");
color_fg_modeline = atoi(argv[i+1]);
color_bg_modeline = atoi(argv[i+2]);