This directory contains sample code associated with chapters of the book,
"Writing a Device Driver for AIX 4.1," placed in subdirectories as follows:

chapter					subdirectory
===================================	============
 1. Device Driver Overview		intro
 2. Device I/O				devio
 3. Interrupts				intr
 4, Memory Management			(no samples)
 5. Synchronization & Serialization	synch
 6. Device Configuration Methods	config
 7. Block Device Drivers		(no samples)
 8. SCSI Device Drivers			scsi
 9. Writing a Virtual File System	vfs
10. Integrating a Serial Device		(sample under isa/tty)
     Driver into the TTY System
11. Implementing Graphical Input	graph
     & 2D Graphics Device Drivers
12. Implementing a Network DD		netdd
13. Network Interfaces & Protocols	(no samples)
14. Debugging Tools			debug (README on bus access)

Most of the sample code provided in this directory contains a build
environment sufficient for the code to compile, link and execute.