Fectorial by recursion In C

#include <stdio.h>

int fact(int x);

int main()
{
int n,fa;
printf("Enter a number:\n");
scanf("%d",&n);
fa=fact(n);
printf("factorial is %d",fa);
return 0;
}

int fact(int x)
{
int f;
if(x==0)
{
return 1;
}
else
{
f=x*fact(x-1);
return f;
}
}