#include <stdio.h>
#include <stdlib.h>

struct book {
  char *title, *author, *publisher;
  int publishing_year;
  int university_text_book;
};

typedef struct book book;

book *make_book(char *title, char *author, char *publisher, 
               int year, int text_book){
  book *result;
  result = (book*)malloc(sizeof(book));
  if (result == NULL){
    printf("Out of memory. Bye\n");
    exit(EXIT_FAILURE);
  }

  result->title = title; result->author = author; result->publisher = publisher;
  result->publishing_year = year;
  result->university_text_book = text_book;
 
  return result;
} 

void prnt_book(book *b){
  char *yes_or_no;

  yes_or_no = (b->university_text_book ? "yes" : "no"); 
  printf("Title: %s\n"
         "Author: %s\n"
         "Publisher: %s\n"
         "Year: %4i\n"
         "University text book: %s\n\n",
         b->title, b->author, b->publisher, 
         b->publishing_year, yes_or_no);
}

int main(void) {

  book *b1, *b2;

  b1 = make_book("Problem Solving and Program Design in C", "Hanly & Koffman", 
                 "Pearson", 2010, 1);
  b2 = make_book("Pelle Eroberen", "Martin Andersen Nexoe",
                 "Gyldendal", 1911, 0);

  prnt_book(b1);
  prnt_book(b2);

  free(b1); free (b2);
  
  return 0;
}