* configure.in (dirfd): Check function.

* dir.c (dir_fileno): New method.
  [ruby-dev:48265] [Feature #9880]



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@47387 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* 2014-09-05

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@47388 b2dd03c8-39d4-4d8f-98ff-823fe69b080e