Header Problem with RH 8.0

["Ashutosh Mehra" <ashutosh@malkauns.nsc.com>]

Hi!

I was recently trying a few Loadable Kernel Modules with Linux, and the 
traditional "Hello World!" module worked fine, except that I couldnt 
find which header file contains the prototype of printk() (gcc with 
-Wall gave a warning). Does any one know where is this function prototyped?

Now for the bigger problem: When I opened /usr/include/linux/fs.h, I 
didn't find the definition of the "struct file{}", which I needed for a 
module, though it was there in /usr/src/linux-2.4/include/linux/fs.h. 
The /usr/include header contained only a portion of the kernel header.
So my question is this: How do I get the definition if "file struct". 
Which are the correct headers to be used in the modules: the kernel 
headers from the src/ directory, or from the /usr/include directory?

I haven't found this problem documented somewhere, so it may be that I 
am missing something simple here.

I am using a stock RH 8.0 Installation

Regards & thanks in advance,
Ashutosh


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