struct {

    int year;
    int number;
    char* title;
    double data;
    Data * next;

} Data;

Data* readDataInfo(ifstream &inFile);
void printStruct(Data structName);

int main() {

    Data * head;
   // Data * temp;


   Data * temp = new Data[20];
   temp = head;

   for(int i=0; i<20; i++){
       temp[i]=temp[i]->next;
   }