uint8_t unpackEgtpSrvOpenCfm(EgtpSrvOpenCfm func, Buffer *mBuf);
uint8_t packEgtpTnlMgmtReq(Pst *pst, EgtpTnlEvt tnlEvt);
uint8_t unpackEgtpTnlMgmtReq(EgtpTnlMgmtReq func, Pst *pst, Buffer *mBuf);
uint8_t unpackEgtpSrvOpenCfm(EgtpSrvOpenCfm func, Buffer *mBuf);
uint8_t packEgtpTnlMgmtReq(Pst *pst, EgtpTnlEvt tnlEvt);
uint8_t unpackEgtpTnlMgmtReq(EgtpTnlMgmtReq func, Pst *pst, Buffer *mBuf);