Tower of Hanoi Code

//Tower Of Hanoi.

#include<stdio.h>
main()
{
 char A,B,C;
 int n;
 void TOH(char,char,char,int);
 printf("Enter No Of disc of TOH\n");
 scanf("%d",&n);
 TOH('A','B','C',n);//Alert when you pass character then it must be in
 //single qoute otherwise it will pass garbage value;
}
void TOH(char t1,char t2,char t3,int n)
{
 if(n<=0)
 printf("Negative Entry is Wrong\n");
 else if(n==1)
  printf("Move TOP disk from tower %c to tower %c\n\n",t1,t3);
 else
 {
  TOH(t1,t3,t2,n-1);
  TOH(t1,t2,t3,1);
  TOH(t2,t1,t3,n-1);
 } 
}