[PLUG] Trying to learn low level Linux programming for cs201...

[Fred James]

Tim wrote:
> Hey Fred,
>
>   
>> I'll hazard a guess - this is C, yes?
>>     close(fpRead); and close(fpWrite); indicate that these are file 
>> pointers, yes?
>>     file pointers are declared as
>>        FILE *fpRead;
>>        FILE *fpWrite;
>> Am I anywhere near on track?  Hope this helps
>>     
>
> FYI-
>
> Actually FILE data structures and pointers are used in the libc wrappers
> to file I/O.  If you want to use the lower-level system calls, which
> pretty much go straight to the kernel, you'd use simple integers to keep
> track of file descriptors.  Some people prefer this because the libc
> interface is quite cumbersome and unsafe in many ways.
>
> cheers,
> tim
>   
Tim
Could you elaborate, please, or point to such?
Regards
Fred James