To demonstrate working of Union

/* Program to demonstrate working of Union */

#include<stdio.h>

#include<conio.h>

#include<string.h>

/* Union Definition */

  union Data

  {

    int i;

    float f;

    char c[20];

  };

 

void main()

{

  union Data d;

  clrscr();

  printf("\nMemory occupied by Union:%d",sizeof(d));

  getch();

}

 

OUTPUT

Memory occupied by Union:20