| structures/books.c - Et program som kan lave og udskrive en bog. | Lektion 12 - slide 11 : 36 Program 1 |
#include <stdio.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.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, b3;
b1 = make_book("Problem Solving and Program Design in C", "Hanly & Koffman",
"Pearson", 2010, 1);
b2 = make_book("Pelle Erobreren", "Martin Andersen Nexoe",
"Gyldendal", 1910, 0);
b3 = b2;
b3.title = "Ditte Menneskebarn"; b3.publishing_year = 1917;
prnt_book(b1); prnt_book(b2); prnt_book(b3);
printf("Sizeof(b1) = %d bytes\n", sizeof(book)); /* 20 bytes */
return 0;
}