-extern S16 packRlcConfigReq(Pst *pst, KwMngmt *cfg);
-extern S16 cmPkLkwCntrlReq(Pst *pst, KwMngmt *cfg);
-extern S16 cmPkLrgCfgReq(Pst *pst, RgMngmt *cfg);
-extern S16 BuildAndSendE2SetupReq();
-extern S16 egtpHdlDatInd(EgtpMsg egtpMsg);
+extern uint8_t packRlcConfigReq(Pst *pst, KwMngmt *cfg);
+extern uint8_t cmPkLkwCntrlReq(Pst *pst, KwMngmt *cfg);
+extern uint8_t cmPkLrgCfgReq(Pst *pst, RgMngmt *cfg);
+extern uint8_t BuildAndSendE2SetupReq();
+extern uint8_t egtpHdlDatInd(EgtpMsg egtpMsg);