Factorial program using function

Program:

#include<stdio.h>
long fact(int n);
int main()
{
int m;
long f;
printf("Enter Number: ");
scanf("%d",&m);
f=fact(m);
printf("Factorial of %d is : %ld",m,f);
 return 0;
}
long fact(int n)
{
int i;
long fact=1;
for(i=1;i<=n;i++)
{
fact=fact*i;
}
return fact;
}

Output: