Global(void) UserFuncProc(Int2 index);
Global(Boolean) UserFuncProc_Status(Int2 index);

Global(void) ActivateUserFunc(DataLibPtr arch);
Global(void) DeactivateUserFunc(DataLibPtr arch);
Global(void) UserFuncDefineClass(DataLibPtr arch, CharPtr buf);

Global(void) DeleteUserFunc(DataLibPtr arch);

extern Global(Int2) UserFuncNum;
extern Global(FloatHiPtr) UserFuncValues;
extern Global(Uint4Ptr) UserFuncUnique;

Global(Int2) UserFuncLookup(Uint4 unique);
Global(CharPtr) UserSPname(Uint2 mask, Uint4Ptr udftable, Boolean full);

Global(int) UserFuncInterface(VoidPtr vector, Int2 num, FloatHiPtr value);
Global(CharPtr) UserFuncName(Int2 i);

Global(void) UserFuncExport(DataLibPtr arch, FILE PNTR out);
Global(void) UserFuncImport(DataLibPtr arch, FILE PNTR in);