/*
 *  tourfunc1.c
 *
 *  show how to create a user defined function that takes nothing and returns nothing.
 */
#include <stdio.h>

void question(void)   // function header
{                     // start of funciton definition
 printf("Four ways to get answers to questions in C:\n");
 printf("1) Check the index of this book\n");
 printf("2) Visti a website such as http://www.muster.com\n");
 printf("3) Explore an alternate text for a different view\n");
 printf("4) E-mail or contact a teacher\n");
}
   
int  main(void)  // main header
{            // start of main funciton
  puts("This program employs a function");
  question();
  system ("sleep 2");
  question();
  system ("sleep 2");
  question();

  return 0;
}