//These are the nodes

head_insert(head, "Jam",  12, 9, 2003);
head_insert(head, "Tea",  10, 8, 2003);
head_insert(head, "Rolls", 1,1,2010);

//This is the search in main

int d, m, y;
    cout << "Enter the month, day, and year (seperated by pressing enter):" << endl;
    cin >> m;
    cin >> d;
    cin >> y;
       if (search_date(head, m, d, y))
       cout << m <<"/" << d <<"/" << y << " is on the list." << endl;
    else
       cout << m <<"/" << d <<"/" << y << " is not on the list." << endl;




// This is the function that searches for the expiration date

NodePtr search_date(NodePtr head, int month, int day, int year)
{
   // Point to the head node
    NodePtr here = head;
    // If the list is empty nothing to search
    if (here == NULL)
    {
        return NULL;
    }
    // Search for the item

    else{
        //while you have still items and you haven't found the target yet
        while (here-> Exp.day != day && here-> Exp.month != month  &&  here->Exp.year != year  && here->link != NULL  )

            here = here->link;

        // Found the target, return the pointer at that location
        if (here-> Exp.month == month && here-> Exp.day == day && here-> Exp.year == year  )

            return here;

        // Search unsuccessful, return Null
        else
            return NULL;
    }
}