CHAPTER
  (FOLDERS)
Drawings
   Exercises
   Answers
   Mainpage
   Addmat
   Work    (NodeInts.jpg) 
 
Programs
  Application (.exe, datafile.txt)
  Source       (.c)
  Work

Exercises
  problems.htm
  answers.htm

Surplus

  (WEB PAGES)
addmat.htm
mainpage.htm