typedef void(*DualOutput)(const int, const int);
typedef void(*TripleOutput)(const int, const int, const double);

void   passenger(node**, node**, itemtype*);
double bus(node**, node**, itemtype*);
int    getLine(itemtype*, DualOutput, DualOutput);
void   getLines(node**, node**, DualOutput, DualOutput, TripleOutput);
void   outputBus(const int, const int);
void   outputPeople(const int, const int);
void   outputTotal(const int, const int, const double);

int main(int argc, char **argv){
  node *head = NULL;
  node *tail = NULL;

  getLines(&head, &tail, outputBus, outputPeople, outputTotal);
  return 0;
}

void   outputBus(const int, const int);