+uint8_t packRlcDlRrcMsgRspToDu(Pst *pst, RlcDlRrcMsgRsp *dlRrcMsgRsp);
+uint8_t unpackRlcDlRrcMsgRspToDu(RlcDlRrcMsgRspToDuFunc func, Pst *pst, Buffer *mBuf);
+uint8_t packRlcUlUserDataToDu(Pst *pst, RlcUlUserDatInfo *ulUserData);
+uint8_t unpackRlcUlUserDataToDu(RlcUlUserDataToDuFunc func, Pst *pst, Buffer *mBuf);