Function dist_cli_parse_port

ds4_distributed.c:8092–8106

        if (parsed.end < parsed.start) {
            if (errlen) snprintf(err, errlen, "layer range end precedes start in %s", s);
            return false;
        }
    }

    parsed.set = true;
    *out = parsed;
    return true;
}

static const char *dist_cli_need_arg(
        int *index,
        int argc,
        char **argv,
        const char *arg,
        char *err,
        size_t errlen) {
    if (!index || !argv || *index + 1 >= argc) {
        if (errlen) snprintf(err, errlen, "%s requires an argument", arg);