-extern S16 kwUlActvTsk (Pst *, Buffer *);
-extern S16 kwUlActvInit (Ent, Inst, Region, Reason);
-extern S16 kwDlActvTsk (Pst *, Buffer *);
-extern S16 kwDlActvInit (Ent, Inst, Region, Reason);
-extern S16 rgActvTsk (Pst *, Buffer *);
-extern S16 rgActvInit (Ent, Inst, Region, Reason);
+extern uint8_t rlcUlActvTsk (Pst *, Buffer *);
+extern uint8_t rlcUlActvInit (Ent, Inst, Region, Reason);
+extern uint8_t rlcDlActvTsk (Pst *, Buffer *);
+extern uint8_t rlcDlActvInit (Ent, Inst, Region, Reason);
+extern uint8_t rgActvTsk (Pst *, Buffer *);
+extern uint8_t rgActvInit (Ent, Inst, Region, Reason);