#include <string>
using namespace std;
#ifndef LINKEDLISTS_H
#define LINKEDLISTS_H
struct LinkedLists
{
int ID;
string name;
LinkedLists * next;
LinkedLists * back;
};
#endif
The code defines a structure named `LinkedLists` to represent a node in a doubly linked list. Each node contains: - An integer `ID` - A string `name` - A pointer `next` that points to the next node in the list - A pointer `back` that points to the previous node in the list The inclusion guards (`#ifndef`, `#define`, `#endif`) prevent multiple definitions of the `LinkedLists` structure if the header file is included multiple times in a program.
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