유니온 공용 구조

#include <stdio.h>

void main(void){
typedef union{
short individual; // 개인
float won; // 원화
float ounce; // 온스
} amount;

amount orangeAmt = {.ounce = 16};

orangeAmt.individual = 4;

printf("Orange Juice Amount: %.2f : Size: %ld\n\n", orangeAmt.ounce, sizeof(orangeAmt.ounce));
printf("Number of Oranges: %f : Size: %ld\n\n", orangeAmt.individual, sizeof(orangeAmt.individual));

orangeAmt.won = 1.5;

printf("Orange Juice Amount: %.2f : Size: %ld\n\n", orangeAmt.won, sizeof(orangeAmt.won));

typedef struct{
char *brand;
amount theAmount;
} orangeProduct;

orangeProduct productOrdered = {"Chiquita", .theAmount.ounce = 16};

printf("You bought %2.f ounces of %s oranges\n\n", productOrdered.theAmount.ounce, productOrdered.brand);

typedef enum{ INDIV, OUNCE, OWN } quantity;

quantity quantityType = INDIV; // OUNCE Change

orangeAmt.individual = 4;

if(quantityType == INDIV){
printf("You bought %d oranges\n\n", orangeAmt.individual);
} else if(quantityType == OUNCE){
printf("You bought %.2f ounces of oranges\n\n", orangeAmt.ounce);
}

}