구조체 malloc() 사용법.

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

struct product{
float price;
char productName[30];
};

int main(void){
struct product *pProducts;

int i, j;

int numberOfProducts;
printf("Enter the Number of products to store: ");

scanf("%d", &numberOfProducts);
pProducts = (struct product *) malloc(numberOfProducts * sizeof(struct product));

for(i=0; i < numberOfProducts; ++i){
printf("Enter a Product Name: ");
scanf("%s", &(pProducts+i)->productName);

printf("Enter a Product Price: ");
scanf("%e", &(pProducts+i)->price);

}

printf("Products Stored\n");

for(j=0; j < numberOfProducts; ++j){
printf("%s\t%.2f\n", (pProducts+j)->productName, (pProducts+j)->price);
}

free(pProducts);

return 0;
}

/*
 * ./02_malloc_struct_store
Enter the Number of products to store: 3
Enter a Product Name: Egg
Enter a Product Price: .25
Enter a Product Name: Fish
Enter a Product Price: 11
Enter a Product Name: Bread
Enter a Product Price: 3
Products Stored
Egg 0.25
Fish 11.00
Bread 3.00 */