1. page 89, Exercise E4, E5a, E7a
2. page 90, Programming Project P1a, except develop stack units that use characters. Write your own main to test your stack functions but do not include that when you bundle your programs for me. I will provide my own main program that executes your routines.
3. page 121, Exercise E2 (both a & b).
4. page 139, Programming Project P2, this project should use linked queues. You will need to implement the remaining queue functions also (if they are needed).

Submit your programs to me no later than 5 pm on Monday using the method described in class. Since there will be more than one project bundled together make sure the names are descriptive and that you put comments inside the C files telling which files are related to each other.