Global(VoidPtr) CreateDataArea(CharPtr DescFile, Int2 winnum, VoidPtr PNTR DataArea, Boolean useold);
Global(void) DestroyDataArea(VoidPtr ParDescPtr, Int2 winnum, Boolean preserve);

Global(void) SkipParameters(DataLibPtr dl);

Global(void) SaveDataCurve(VoidPtr pd, DataLibPtr dl);
Global(void) ParamFreeUDF(CharPtr DescFile, DataLibPtr DiagramLib);

Global(Int2) GetParIndex(VoidPtr pd, Uint2 Offset);
Global(void) UpdatePar(VoidPtr pd, Int2 Index);

Global(void) ParamEraseLibs(CharPtr DiagramFile, Boolean OnlyIfOlder);
Global(void) ParamLoadLibs(void);
Global(void) ParamUnloadLibs(Boolean decrease);
Global(void) ParamFuncPtrs(Boolean clear);

extern Global(void) (*ParamChangeNotify)(void);

Global(FloatHiPtr) GetLocalClassVector(Uint1 localclass);
Global(FloatHiPtr PNTR) GetLocalClassVectorIndir(Uint1 localclass);
Global(void) UpdateInitPoint(void);
Global(void) UpdateAllParams(void);

typedef enum {PD_HIDE,PD_RESTORE,PD_SWAP} ParamDataOper;
Global(void) ParamDataHRS(ParamDataOper oper, Int2 from);

Global(void) ParamDataMerge(VoidPtr source, VoidPtr target, Boolean FuncClear);
Global(void) ParamDataMergeByClass(VoidPtr source, Uint2Ptr sclass, VoidPtr target, Uint2Ptr tclass);

Global(Int2) ComputeExpr(CharPtr source, FloatHiPtr res);

#define CACHEPAR 1	/* cache parameters data areas' descriptions */

Global(void) ParamInit(void);
Global(void) ParamTerm(void);

Global(void) ExportUnique(DataLibPtr dgm, FILE PNTR out);
Global(void) ImportUnique(DataLibPtr dgm, FILE PNTR in);
Global(void) ExportFunPar(DataLibPtr dgm, FILE PNTR out);
Global(void) ImportFunPar(DataLibPtr dgm, FILE PNTR in);
Global(void) ExportParams(DataLibPtr dgm, CharPtr DescFile, FILE PNTR out, Boolean win);
Global(void) ImportParams(DataLibPtr dgm, CharPtr DescFile, FILE PNTR in, Boolean win);

Global(void) ParamSetICs(Int2Ptr ImplCode, Int2Ptr ImplMax, CharPtr PNTR ImplNames[2]);

Global(void) ParamFuncCleanup(DataLibPtr dl);