/* * File: fact.c * ------------ * This program includes the Factorial function and a test * program that prints the factorials of the numbers between * the limits LowerLimit and UpperLimit, inclusive. */#include <stdio.h>#include "genlib.h"/* * Constants * --------- * LowerLimit -- Starting value for factorial table * UpperLimit -- Final value for factorial table */#define LowerLimit 0#define UpperLimit 7/* Function prototypes */int Factorial(int n);/* Main program */main(){    int i;    for (i = LowerLimit; i <= UpperLimit; i++) {        printf("%d! = %5d\n", i, Factorial(i));    }}/* * Function: Factorial * Usage: f = Factorial(n); * ------------------------ * This function returns the factorial of the argument n (n!), * recursively applying the following mathematical definition: * *            /  1, if n = 0 *    n!  =  < *            \  n * (n-1)!, if n > 0 */int Factorial(int n){    if (n == 0) {        return (1);    } else {        return (n * Factorial(n - 1));    }}