structure

#include <stdio.h>
#include <string.h>

struct Books {
   char  title[50];
   char  author[50];
   char  subject[100];
   int   book_id;
};

int main( ) {
    int i;
   struct Books Book[3];
           /* Declare Book1 of type Book /* Declare Book2 of type Book */
    for(i=0; i<3;i++)
    {
       scanf("%s",&Book[i].title);
       scanf("%s",&Book[i].author);
       scanf("%s",&Book[i].subject);
       scanf("%d",&Book[i].book_id);
    }
   /* book 1 specification */
   //scanf( "%s",&Book1.title);
      /* book 2 specification */
   /* print Book1 info */
   for(i=0; i<3; i++)
   {
       printf( "Book %d title : %s\n",i, Book[i].title);
       printf( "Book %d author : %s\n",i, Book[i].author);
       printf( "Book %d subject : %s\n",i, Book[i].subject);
       printf( "Book %d book_id : %d\n",i, Book[i].book_id);
       printf("\n");
   }

   return 0;
}