FIND FACTORIAL OF A NUMBER USING RECURSION IN C PROGRAM

#include<stdio.h>
#include<conio.h>
int fact(int);
void main()
{
  int num,f;
  clrscr();
  printf("\nEnter a number: ");
  scanf("%d",&num);
  f=fact(num);
  printf("\nFactorial of %d is: %d",num,f);

  getch();
}

int fact(int n){
   if(n==1)
       return 1;
   else
       return(n*fact(n-1));
 }