/* * File: linelen.c * --------------- * This file contains a main program that reports the * length of an input line. */#include <stdio.h>#include "genlib.h"#include "strlib.h"#include "simpio.h"/* Main program */main(){    string str;    printf("This program tests the StringLength function.\n");    printf("Enter a string: ");    str = GetLine();    printf("The length is %d.\n", StringLength(str));}