-------------------------------------------------------------------------------

// private
RplArgList *RplSet::makeArgList (int     argCount,
                               va_list arg_list)
{
   RplArgList            *argList = new RplArgList;
   char                argName[10];
   RplValue::Type_ID  argType;

   for (int i = 0; i < argCount; i++)
   {
      sprintf (argName, "arg%d", i);  <<<<<  e.g. arg0  <<<<< 
      argType = va_arg (arg_list, RplValue::Type_ID);
      argList->append (new RplTypeNamePair (argType, argName));
   }

   return (argList);
}

-------------------------------------------------------------------------------

// private
void RplSet::addPredefinedFunction (RplUtilityGroup       *group,
                                    const QString         &functionName,
                                    PtrToDefiningFunction  functionPtr,
                                    bool                   deprecated,
                                    RplValue::Type_ID      returnType,
                                    int                    argCount,
                                    ...)
{
   // Create a list containing the type of each formal parameter.
   va_list  arg_list;
   va_start (arg_list, argCount);
   RplArgList *argList = makeArgList (argCount, arg_list);
   va_end (arg_list);

   // Create a predefined function.
   PredefinedFunction *newFunc = 
      new PredefinedFunction ( functionName, returnType, "", "", TRUE, FALSE,
                               FALSE, NULL, argList, functionPtr, deprecated);

   // Add to list of functions
   group->addFunction(newFunc);
}

-------------------------------------------------------------------------------

======
Stack:
======

RplTypeNamePair::RplTypeNamePair (RplValue::Type_ID type, const QString& name) 

RplSet::makeArgList (int argCount, char * arg_list)

RplSet::addPredefinedFunction (RplUtilityGroup*, const QString& funcName, 
   RplResult::Status (PredefinedFunction*, const ListValue&, RplValue*&, 
   std::set<SeriesSlot*,std::less<SeriesSlot*>,std::allocator<SeriesSlot*>>*, 
   QString &)* functionPtr, bool deprecated, RplValue::Type_ID returnType, 
   int argCount, ...)

RplSet::loadDefaultFunctions()
---