struct EventNode
{
  tm startTime, endTime;
  string eventItem;
  string eventNotes;
  char allDay;
 
  EventNode* next;
};
 
struct EventList
{
  void addEvent();
  ... // other member functions used to sustain the list 
private:
  EventNode* head;
  EventNode* tail;
};

struct Event
{
  tm startTime, endTime;
  string eventItem;
  string eventNotes;
  char allDay;
};
 
std::list<Event> eventList;