/* * File: liftoff.c * --------------- * Simulates a countdown for a rocket launch. */#include <stdio.h>#include "genlib.h"/* * Constant: StartingCount * ----------------------- * Change this constant to use a different starting value * for the countdown. */#define StartingCount 10/* Main program */main(){    int t;    for (t = StartingCount; t >= 0; t--) {        printf("%2d\n", t);    }    printf("Liftoff!\n");}