// power.c -- raises numbers to integer powers#include <stdio.h>double power(double n, int p); // ANSI prototypeint main(void){??? double x, xpow;??? int exp;??? printf("Enter a number and the positive integer power");??? printf(" to which\nthe number will be raised. Enter q");??? printf(" to quit.\n");??? while (scanf("%lf%d", &x, &exp) == 2)??? {??????? xpow = power(x,exp);?? // function call??????? printf("%.3g to the power %d is %.5g\n", x, exp, xpow);??????? printf("Enter next pair of numbers or q to quit.\n");??? }??? printf("Hope you enjoyed this power trip -- bye!\n");? ??? return 0;}double power(double n, int p)? // function definition{??? double pow = 1;??? int i;??? for (i = 1; i <= p; i++)??????? pow *= n;?????? ???? return pow;??????????????? // return the value of pow}