#include<cstdio>
struct book {
    char name[10];
    int price;
};
int main(){
    book bk;
    bk.name[0]='h';
    bk.name[1]='a';
    bk.name[2]='r';
    bk.name[3]='r';
    bk.name[4]='y';
    bk.price=500;
    printf("the price of the book is %d\n the name of the book is %s",bk.price,bk.name);
}

strncpy(bk.name, "harry", sizeof(bk.name)-1);

#include<cstdio>
struct book {
    char name[10];
    int price;
};
int main(){
    book bk;
    book* pbook = &bk;
}

(*pbook).price = 500;

bk.price = 500;

pbook->price = 500;

(*pbook).price = 500;

foo->bar = whatever;

#include <cstdio>
struct Element
{
    Element *next{};
    void insert_after(Element *new_element)
    {
        new_element->next = next;
        next = new_element;
    }
    char prefix[2];
    short operating_number;
};
int main()
{
    Element trooper1, trooper2, trooper3;
    trooper1.prefix[0] = 'T';
    trooper1.prefix[1] = 'K';
    trooper1.operating_number = 421;
    trooper1.insert_after(&trooper2);
    trooper2.prefix[0] = 'F';
    trooper2.prefix[1] = 'N';
    trooper2.operating_number = 2187;

void insert_after(Element *new_element)

trooper1.insert_after(trooper2);

trooper1.insert_after(&trooper2);

Element* foo = &trooper2;
trooper1.insert_after(foo);

int foo[10];

int foo[10];
foo[0] = 666;
printf("%d", *foo);

{
        new_element->next = next;
        next = new_element;
    }

struct Element
{
    Element *next{}; // next has type "pointer to Element"
    void insert_after(Element *new_element)
    {
        new_element->next = next;
        next = new_element;
    }
    char prefix[2];
    short operating_number;
};

new_element->next = next;

new_element->next = this.next;

Element* b = new Element;
a.next = b;
b.next = NULL;

Element* c = new Element:
c->next = a->next; // to make c.next = b
a->next = c; // so that a.next = c

void insert_after(Element *new_element)
{
    new_element->next = next;
    next = new_element;
}

Element* c = new Element; // c is  pointer to Element
a.insert_after(c);

void insert_after(Element *new_element)
{
    new_element->next = next; // this sets c-> next to a-next
    next = new_element; // this sets a->next to c
}