extern S16 kwUlActvTsk (Pst *, Buffer *);
extern S16 kwUlActvInit (Ent, Inst, Region, Reason);
extern S16 kwDlActvTsk (Pst *, Buffer *);
extern S16 kwUlActvTsk (Pst *, Buffer *);
extern S16 kwUlActvInit (Ent, Inst, Region, Reason);
extern S16 kwDlActvTsk (Pst *, Buffer *);