/* * File: power.c * ------------- * This file includes the RaiseIntToPower function and a * simple test program that generates a table of the powers * of 2. */#include <stdio.h>#include "genlib.h"/* * Constants * --------- * LowerLimit -- Starting value for power-of-two table * UpperLimit -- Final value for power-of-two table */#define LowerLimit  0#define UpperLimit 10/* Function prototypes */static int RaiseIntToPower(int n, int k);/* Main program */main(){    int i;    printf("Powers of two:\n");    for (i = LowerLimit; i <= UpperLimit; i++) {        printf(" %2d  %5d\n", i, RaiseIntToPower(2, i));    }}/* * Function: RaiseIntToPower * Usage: result = RaiseIntToPower(n, k); * -------------------------------------- * This function returns n raised to the kth power.  The result * is computed by applying the following mathematical definition: * *             /  1, if k = 0 *     k      / *    n   =  < *            \        (k-1) *             \  n * n      , otherwise */static int RaiseIntToPower(int n, int k){    if (k == 0) {        return (1);    } else {        return (n * RaiseIntToPower(n, k - 1));    }}