Factorial of Number in C

-- Factorial of Number with Recursion.

#include<stdio.h>
#include<conio.h>
int Fun(int num); int main()
{
   int num,result;
   printf("Program\nEnter the Number:");
   scanf("%d",&num);
   result = Fun(num);
   printf("%d",result);
   return 0;
}
int Fun(int num){
  if(num==0){
   return 1 ;
  }
  else{
   int res ;
   res = num * Fun(num-1);
   return res ;
} }