[Edit: I believe the question alone is perfectly valid, since quick, communicable access to a manpage is certainly relevant to server administrators. But to prove I put some thought into the question, ...
I did "man copy_to_user" - It shows some kernel help text. It belongs to section 9. Now I would like to know ,whether is there way to display all function belongs to this section 9.
I've been trying to grab the output of man pages and use it in some other things. That's working OK, but linux is hyphenating the words that are at the end of a line and that's kind of irritating ...