-extern uint16_t unpackMacCellCfgCfm(DuMacCellCfgCfm func, Pst *pst, Buffer *mBuf);
-extern uint16_t duHandleMacCellCfgCfm(MacCellCfgCfm *macCellCfgCfm);
+extern int unpackMacCellCfgCfm(DuMacCellCfgCfm func, Pst *pst, Buffer *mBuf);
+extern int duHandleMacCellCfgCfm(Pst *pst, MacCellCfgCfm *macCellCfgCfm);