Oct 21, 2011

C program to illustrate the concept of unions

C program to demonstrate unions. unions are like C structures, but every member occupies the same memory region. Read more about C Programming Language .
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#include <stdio.h>
#include <conio.h>

void main()
{
 union number
 {
  int  n1;
  float n2;
 };

 union number x;

 clrscr() ;

 printf("Enter the value of n1: ");
 scanf("%d", &x.n1);
 printf("Value of n1 =%d", x.n1);

 printf("\nEnter the value of n2: ");
 scanf("%d", &x.n2);
 printf("Value of n2 = %d\n",x.n2);

}  
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