Factrorial with recursive function.....

//Factrorial with recursive function.....
 
#include<stdio.h>
int fact(int n)
{
int factorial;
factorial=1;
factorial=factorial*fact(n-1);
return factorial;
}
void main()
{
int n,r;
printf("Enter the n:");
scanf("%d",&n);
if(n==0)
printf("factoril=1");
else
{
r=fact(n);
printf("factoril=%d",r);
}
}