+uint8_t packRlcUlUserDataToDu(Pst *pst, RlcUlUserDatInfo *ulUserData);
+uint8_t unpackRlcUlUserDataToDu(RlcUlUserDataToDuFunc func, Pst *pst, Buffer *mBuf);
+uint8_t packRlcDlUserDataToRlc(Pst *pst, RlcDlUserDataInfo *dlDataMsg);
+uint8_t unpackRlcDlUserDataToRlc(DuRlcDlUserDataToRlcFunc func, Pst *pst, Buffer *mBuf);