#ifndef LINKLIST_H
#define LINKLIST_H
#endif

using namespace std;

class ilist_item;

class ilist{
        public:
                ilist() : _at_front(0), _at_end(0), _size(0) {}
                int size();

        private:
                ilist_item *_at_front;
                ilist_item *_at_end;
                int _size;
};