C Program to Illustrate the Concept of Unions

#include < stdio.h>
 
void main()
{
    union number
    {
        int  n1;
        float n2;
    };
    union number x;
 
    printf("Enter the value of n1: ");
    scanf("%d", &x.n1);
    printf("Value of n1 = %d", x.n1);
    printf("\nEnter the value of n2: ");
    scanf("%f", &x.n2);
    printf("Value of n2 = %f\n", x.n2);
}

Output

 Enter the value of n1:  10 
Value of n1 =  10 
Enter the value of n2:  50 
Value of n2 =  50.000000 

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