Structure

ตัวอย่าง Structure เกี่ยวกับข้อมูลการเช่าหนังสือของร้านเช่าหนังสือแห่งหนึ่ง

#include"stdio.h"
struct book

{
char name[20];
char last[20];
int id;
char bookname[20];
int date;
int month;
int year;
float price;
int return1;
}

book;
void input_data()

{
printf("Custommer in rent of book\n");
printf("Name: ");
scanf("%s",&book.name);
printf("Last: ");
scanf("%s",&book.last);
printf("ID: ");
scanf("%d",&book.id);
printf("Bookname: ");
scanf("%s",&book.bookname);
printf("Date: ");
scanf("%d",&book.date);
printf("Month: ");
scanf("%d",&book.month);
printf("Year: ");
scanf("%d",&book.year);
printf("Price: ");
scanf("%f",&book.price);

}

void show_data()

{
printf("\n\nDate your is \n");
printf("Name: ");
printf("%s\n",book.name);
printf("Last: ");
printf("%s\n",book.last);
printf("ID: ");
printf("%d\n",book.id);
printf("Bookname: ");
printf("%s\n",book.bookname);
printf("Date-month-year : %d-%d-%d\n",book.date,book.month,book.year);
printf("Price: ");
printf("%0.2f\n",book.price);
printf("Return [Date]:: %d-%d-%d\n",book.date+7,book.month,book.year);
}

main()

{
input_data();
show_data();
}