add interface creg add topic and export symbols

zhangmeng

2022-12-14 4fc07d5d891c251a1fe09c17ee16467d961a8f74

 cbhomeclient.cpp

@@ -194,7 +194,7 @@
        return tmp;

    };

    size_t tpcc = 0, pubc = 0;

    char** tpc = creg_rep_topic(rinfo, &tpcc);

    char** tpc = creg_reply_topic(rinfo, &tpcc);

    char** pub = creg_pub_topic(rinfo, &pubc);

    auto tmparr = shallowMerge(tpc, tpcc, pub, pubc);

    auto tpcmsg = to_topic(cli, bus_register_topics, tmparr, tpcc + pubc);