251   switch (*optarg)  in build_type_arg()
256       *typep = optarg;  in build_type_arg()
259       *typep = optarg++;  in build_type_arg()
266       errmsg = re_compile_pattern (optarg, strlen (optarg), regexp);  in build_type_arg()
502                      quote (optarg));  in main()
510                      quote (optarg));  in main()
518                      quote (optarg));  in main()
523           starting_line_number = xdectoimax (optarg, INTMAX_MIN, INTMAX_MAX, "",  in main()
528           page_incr = xdectoimax (optarg, INTMAX_MIN, INTMAX_MAX, "",  in main()
535           blank_join = xdectoimax (optarg, 1, INTMAX_MAX, "",  in main()
539           separator_str = optarg;  in main()
542           lineno_width = xdectoimax (optarg, 1, INT_MAX, "",  in main()
546           if (STREQ (optarg, "ln"))  in main()
548           else if (STREQ (optarg, "rn"))  in main()
550           else if (STREQ (optarg, "rz"))  in main()
555                      quote (optarg));  in main()
560           len = strlen (optarg);  in main()
564               while (*optarg)  in main()
565                 *p++ = *optarg++;  in main()
568             section_del = optarg;  /* GNU extension.  */  in main()