This directory contains the source code for the following modules:
- helloworld
- scull device
- scullpipe device

Each of the above directories contains a README file with
instructions for compiling a module, loading it, and testing it. 

Man pages for the Kernel functions can be accessed online at the following site:
http://kerneltrap.org/man/linux/

Kernel routines such as register_chrdev_region, cdev_init, cdev_add, etc. are available in Section 9. 
Use the search box on the above link to search for the particular Kernel function
that you want to find the information about. 
