-int packMacSchSlotInd(Pst *pst, SlotIndInfo *slotInd);
-int packSchMacDlAlloc(Pst *pst, DlSchedInfo *dlSchedInfo);
-int packSchMacUlSchInfo(Pst *pst, UlSchedInfo *ulSchedInfo);
-EXTERN int packSchCellCfg(Pst *pst, SchCellCfg *schCellCfg);
-EXTERN int packSchCellCfgCfm(Pst *pst, SchCellCfgCfm *schCellCfgCfm);
-
-EXTERN int MacProcDlAlloc(Pst *pst, DlSchedInfo *dlSchedInfo);
-EXTERN int MacProcSchCellCfg(Pst *pst, SchCellCfg *schCellCfg);
-EXTERN int MacProcSchCellCfgCfm(Pst *pst, SchCellCfgCfm *schCellCfgCfm);
-EXTERN int SchHdlCellCfgReq(Pst *pst, SchCellCfg *schCellCfg);
-EXTERN int schActvInit(Ent entity, Inst instId, Region region, Reason reason);
-EXTERN S16 SchSendCfgCfm(Pst *pst, RgMngmt *cfm);
-EXTERN int MacProcUlSchInfo(Pst *pst, UlSchedInfo *ulSchedInfo);
-int packMacSchRachInd(Pst *pst, RachIndInfo *rachInd);
-int macSchRachInd(Pst *pst, RachIndInfo *rachInd);
-int packMacSchCrcInd(Pst *pst, CrcIndInfo *crcInd);
-int macSchCrcInd(Pst *pst, CrcIndInfo *crcInd);
-uint8_t packMacSchDlRlcBoInfo(Pst *pst, DlRlcBOInfo *dlBoInfo);
-uint8_t macSchDlRlcBoInfo(Pst *pst, DlRlcBOInfo *dlBoInfo);
+uint8_t packMacSchSlotInd(Pst *pst, SlotIndInfo *slotInd);
+uint8_t packSchMacDlAlloc(Pst *pst, DlSchedInfo *dlSchedInfo);
+uint8_t packSchMacUlSchInfo(Pst *pst, UlSchedInfo *ulSchedInfo);
+uint8_t packSchCellCfg(Pst *pst, SchCellCfg *schCellCfg);
+uint8_t packSchCellCfgCfm(Pst *pst, SchCellCfgCfm *schCellCfgCfm);
+uint8_t MacProcDlAlloc(Pst *pst, DlSchedInfo *dlSchedInfo);
+uint8_t MacProcSchCellCfg(Pst *pst, SchCellCfg *schCellCfg);
+uint8_t MacProcSchCellCfgCfm(Pst *pst, SchCellCfgCfm *schCellCfgCfm);
+uint8_t SchHdlCellCfgReq(Pst *pst, SchCellCfg *schCellCfg);
+uint8_t schActvInit(Ent entity, Inst instId, Region region, Reason reason);
+uint8_t SchSendCfgCfm(Pst *pst, RgMngmt *cfm);
+uint8_t MacProcUlSchInfo(Pst *pst, UlSchedInfo *ulSchedInfo);
+uint8_t packMacSchRachInd(Pst *pst, RachIndInfo *rachInd);
+uint8_t MacSchRachInd(Pst *pst, RachIndInfo *rachInd);
+uint8_t packMacSchCrcInd(Pst *pst, CrcIndInfo *crcInd);
+uint8_t MacSchCrcInd(Pst *pst, CrcIndInfo *crcInd);
+uint8_t packMacSchDlRlcBoInfo(Pst *pst, DlRlcBoInfo *dlBoInfo);
+uint8_t MacSchDlRlcBoInfo(Pst *pst, DlRlcBoInfo *dlBoInfo);