Thanks Nikolay and Piotr.
Sorry for my poor english... :-(

2013/4/1 Piotr Caban <piotr.caban@gmail.com>
>
> The functions should have been defined in headers. The order of definitions is not important.
Piotr got what I wanted to express.
I have implemented a few of it and there are some still not. I think I can define all of them in the next 
time I sent a patch for other scoll functions.


--
Regards,
Jactry Zeng