/* Passing a copy of the entire structure */

#include<stdio.h>
struct stores
{
	char name[20];
	float price;
	int quantity;
};

struct stores update(struct stores product, float p, int q);

float mul (struct stores stock);

int main()
{
	float p_increment, value;
	int q_increment;
	struct stores item = {"XYZ", 25.75, 12};
	printf("\nInput increment values:");
	printf("price increment and quantity increment\n");
	scanf("%f %d", &p_increment, &q_increment);

/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - */

	item = update(item, p_increment, q_increment);
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - */

	printf("Updated values of item\n\n");
	printf("Name : %s\n",item.name);
	printf("Price : %f\n",item.price);	
	printf("Quantity : %d\n",item.quantity);

/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
	value = mul(item);
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - */

	printf("\nValue of the item = %f\n", value);
}

struct stores update(struct stores product, float p, int q)
{
	product.price += p;
	product.quantity += q;
	return(product);
}

float mul(struct stores stock)
{
	return(stock.price * stock.quantity);
}