P204. Program to understand union datatype.

 

#include<stdio.h>

union u

{

        int i;

        char ch;

        float f;

};

void main()

{

        union u v;

        printf("%ld\n",sizeof(v));

        printf("%u\n",&v.i);

        printf("%u\n",&v.ch);

        printf("%u\n",&v.f);

}