Assignment 9 : DLL.h

#include <iostream>
#define first(L) L.first
#define last(L) L.last
#define next(P) P->next
#define prev(P) P->prev
#define info(P) P->info

using namespace std;

struct driver {
    string name;
    float rating;
};

typedef driver infotype;
typedef struct elmList *address;

struct elmList{
    infotype info;
    address next;
    address prev;
};

struct List{
    address first;
    address last;
};

address createNewElement(string name,float rating);

void CreateList(List &L);
void InsertFirst(List &L,address P);
void DeleteFirst(List &L,address &P);
void ShowList(List &L);
void Reset(List &L);
void SplitData(float N,List &L,List &under,List &upper);