Here is a simple code in C that will demonstrate how to call by reference.
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Sample Program Output
Program Listing
#include <stdio.h>
int cube (int &);
int main()
{
int a=5;
int b=a;
int display=0;
printf("\n\n");
printf("\tCall By Reference");
display = cube(a);
printf("\n\n");
printf("\tThe given value is %d. The result is %d.",b,display);
printf("\n\n");
printf("\tEnd of Program");
printf("\n\n");
}
int cube(int &b)
{
b = b * b * b;
return(b);
}
