int main()

in src/apps/filters/h3ToGeo.c [66:111]
36 lines of code
11 McCabe index (conditional complexity)

int main(int argc, char *argv[]) {
    Arg helpArg = ARG_HELP;
    DEFINE_INDEX_ARG(index, indexArg);
    Arg kmlArg = ARG_KML;
    DEFINE_KML_NAME_ARG(userKmlName, kmlNameArg);
    DEFINE_KML_DESC_ARG(userKmlDesc, kmlDescArg);

    Arg *args[] = {&helpArg, &indexArg, &kmlArg, &kmlNameArg, &kmlDescArg};

    if (parseArgs(argc, argv, 5, args, &helpArg,
                  "Converts indexes to latitude/longitude center coordinates "
                  "in degrees")) {
        return helpArg.found ? 0 : 1;
    }

    if (kmlArg.found) {
        char *kmlName = "H3 Geometry";
        if (kmlNameArg.found) kmlName = userKmlName;

        char *kmlDesc = "Generated by h3ToGeo";
        if (kmlDescArg.found) kmlDesc = userKmlDesc;

        kmlPtsHeader(kmlName, kmlDesc);
    }

    if (indexArg.found) {
        doCell(index, kmlArg.found);
    } else {
        // process the indexes on stdin
        char buff[BUFF_SIZE];
        while (1) {
            // get an index from stdin
            if (!fgets(buff, BUFF_SIZE, stdin)) {
                if (feof(stdin))
                    break;
                else
                    error("reading H3 index from stdin");
            }

            H3Index h3 = H3_EXPORT(stringToH3)(buff);
            doCell(h3, kmlArg.found);
        }
    }

    if (kmlArg.found) kmlPtsFooter();
}