C Structure and Union example

#include<stdio.h>

int main() {
struct student {
char name[20];
int stud_id;
char year;
char major[20];
} st;

union price {
int won;
float dollor;
float euro;
} kane;

kane.won = 500;
printf("kane.won: %d\n", kane.won);
printf("kane.dollor: %d\n", kane.dollor);
printf("kane.euro: %d\n\n\n", kane.euro);

kane.dollor = 500;
printf("kane.dollor: %d\n", kane.dollor);
printf("kane.won: %d\n", kane.won);
printf("kane.euro: %d\n", kane.euro);

return 0;
}