// This program demonstrates a function that uses a
// pointer to a structure variable as a parameter.
#include <iostream>
#include <iomanip>
using namespace std;

const int NAME_LENGTH = 35; // Array size

struct Student
{
   char name[NAME_LENGTH]; // Student's name
   int idNum;              // Student ID number
   int creditHours;        // Credit hours enrolled
   double gpa;             // Current GPA
};

void getData(Student *);  // Function prototype

int main()
{
   Student freshman;

   // Get the student data.
   cout << "Enter the following student data:\n";
   getData(&freshman);    // Pass the address of freshman.
   cout << "\nHere is the student data you entered:\n";

   // Now display the data stored in freshman
   cout << setprecision(2);
   cout << "Name: " << freshman.name << endl;
   cout << "ID Number: " << freshman.idNum << endl;
   cout << "Credit Hours: " << freshman.creditHours << endl;
   cout << "GPA: " << freshman.gpa << endl;
   return 0;
}

//*******************************************************
// Definition of function getData. Uses a pointer to a  *
// Student structure variable. The user enters student  *
// information, which is stored in the variable.        *
//*******************************************************

void getData(Student *s)
{
   // Get the student name.
   cout << "Student name: ";
   cin.getline(s->name, NAME_LENGTH);

   // Get the student ID number.
   cout << "Student ID Number: ";
   cin >> s->idNum;

   // Get the credit hours enrolled.
   cout << "Credit Hours Enrolled: ";
   cin >> s->creditHours;

   // Get the GPA.
   cout << "Current GPA: ";
   cin >> s->gpa;
}