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.