C++ struct adding and displaying a bookstore's magazines.

#include <iostream>
using namespace std;
#include <ctype.h>
#include <stdio.h>
struct mag_info//from ww w .  jav a2  s .c  o m
{
   char title[25];
   char pub[25];
   int month;
   int year;
   int stock_copies;
   int order_copies;
   float price;
};
mag_info fill_mags(struct mag_info mag);
void print_mags(struct mag_info mags[], int mag_ctr);
void main()
{
   mag_info mags[1000];
   int mag_ctr=0;            // Number of magazine titles.
   char ans;
   do
   {                      
       mags[mag_ctr] = fill_mags(mags[mag_ctr]);
       cout << "Do you want to enter another magazine? ";
       fflush(stdin);
       ans = getchar();
       fflush(stdin);           // Discards carriage return.
       if (toupper(ans) == 'Y')
       {
          mag_ctr++;
       }
    } while (toupper(ans) == 'Y');
    print_mags(mags, mag_ctr);
    return;               // Returns to operating system.
}
void print_mags(mag_info mags[], int mag_ctr)
{
    int i;
    for (i=0; i<=mag_ctr; i++)
    {
       cout << "\n\nMagazine " << i+1 << ":\n";// Adjusts for subscript.
       cout << "\Name:  " << mags[i].title << "\n";
       cout << "\tPublisher: " << mags[i].pub << "\n";
       cout << "\tPub. Month: " << mags[i].month << "\n";
       cout << "\tPub. Year: " << mags[i].year << "\n";
       cout << "\tIn-stock: " << mags[i].stock_copies << "\n";
       cout << "\tOn order: " << mags[i].order_copies << "\n";
       cout << "\tPrice: " << mags[i].price << "\n";
    }
    return;
}
mag_info fill_mags(mag_info mag)
{
    puts("\n\nWhat is the title? ");
    gets(mag.title);
    puts("Who is the publisher? ");
    gets(mag.pub);
    puts("What is the month (1, 2, ..., 12)? ");
    cin >> mag.month;
    puts("What is the year? ");
    cin >> mag.year;
    puts("How many copies in stock? ");
    cin >> mag.stock_copies;
    puts("How many copies on order? ");
    cin >> mag.order_copies;
    puts("How much is the magazine? ");
    cin >> mag.price;
    return (mag);
}