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When we man std::vector,how/where does it search for corresponding documents internally?

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From the man(1) man page:

SEARCH PATH FOR MANUAL PAGES
   man uses a sophisticated method of finding manual page files, based  on
   the  invocation  options and environment variables, the /etc/man.config
   configuration file, and some built in conventions and heuristics.

   First of all, when the name argument to man contains a slash  (/),  man
   assumes  it  is  a file specification itself, and there is no searching
   involved.

   But in the normal case where name doesn’t contain a slash, man searches
   a variety of directories for a file that could be a manual page for the
   topic named.

There's a lot more text in there though. I'll let you read it at your leisure.

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@Ignacio Vazquez-Abrams,can you guide me how to install the libc++ docs manually ? gcc.gnu.org/pub/gcc/libstdc++/doxygen/… – xpbug Jun 1 '11 at 12:43
yum install libstdc++-docs this doesn't work for me(No package libstdc++-docs available.),so I assume that c++ man docs aren't available in my repository:( – xpbug Jun 1 '11 at 12:45
Copy all the .<n> files to the man<n>/ directories, usually in /usr/share/man. – Ignacio Vazquez-Abrams Jun 1 '11 at 12:45
@Ignacio Vazquez-Abrams,files under /usr/share/man/man are all zipped,i.e. ldap_abandon_ext.3.gz,but the docs I downloaded are only tared,not zipped. And I tried to unzip it,still fails... Can you be more specific on the steps? – xpbug Jun 1 '11 at 12:50
Extract the files from the archive. Move or copy them. It doesn't matter that the individual man pages aren't compressed; man doesn't care. – Ignacio Vazquez-Abrams Jun 1 '11 at 12:54
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