src/advanced-types/union_types.c
#include <stdio.h>
#include <string.h>
union Data {
int i;
float f;
char str[20];
};
int main()
{
union Data data;
data.i = 10;
printf("data.i : %d\n", data.i);
data.f = 220.5;
printf("data.f : %f\n", data.f);
strcopy(data.str, "C programming...");
printf("data.str : %s\n", data.str);
return 0;
}