Solve Tower of Hanoi problem | C program

#include <stdio.h>
void hanoifxn(int n, char fr, char tr, char ar)//fr=from rod,tr =to rod, ar=aux rod
{
    if (n == 1)
    {
        printf("\n Move disk 1 from rod %c to rod %c", fr, tr);
        return;
    }
    hanoifxn(n-1, fr, ar, tr);
    printf("\n Move disk %d from rod %c to rod %c", n, fr, tr);
    hanoifxn(n-1, ar, tr, fr);
}

int main()
{
    int n = 4; // n is equal to the number of discs
    hanoifxn(n, 'A', 'C', 'B');  // A, B and C are the name of rod
    return 0;
}

Bhuvan Arora