
1. OVERVIEW OF HOW THE LIBRARY WORKS

a. Difference between high level and low level i/o
b. The STDIO chain and message passing
c. How the STDIO file structures operate

2. WRITING DRIVERS

a. Reentrant code & Code reuse
b. Register preservation
c. Return values & Inidicating errors

d. Device driver message interpretter
e. Filter driver message interpretter
