Tower of hanoi

/*Serial No.65     [swami38.cpp]*/

#include <conio.h>
#include <stdio.h>
void main()
{
void hanoi(char,char,char,int);
char t1='A',t2='B',t3='C';
int n;
clrscr();
printf("\n Enter the no. of disks on Tower A:");
scanf("%d",&n);
if(n<1)
{
printf("\n Nothing to move");
}
else
hanoi(t1,t2,t3,n);
getch();
}
void hanoi(char t1,char t2,char t3,int n)
{
static int step=0;
step++;
printf("\n %c %c %c %d",t1,t2,t3,n);
if(n==1)
{
printf("\n Move top disk from Tower %c ----> %c",t1,t2);
return;
}
hanoi(t1,t3,t2,n-1);
printf("\n %c %c %c %d",t1,t2,t3,n);
printf("\n Move top disk from Tower %c ----> %c",t1,t2);
printf("\n %c %c %c %d",t1,t2,t3,n);
hanoi(t3,t2,t1,n-1);
printf("\n %c %c %c %d steps=%d",t1,t2,t3,n,step);
}