find_const_comment

# File lib/rdoc/parser/c.rb, line 770
  def find_const_comment(type, const_name, class_name = nil)
    comment = if @content =~ %((?>^\s*/\*.*?\*/\s+))
                             rb_define_#{type}\((?:\s*(\w+),)?\s*
                                                "#{const_name}"\s*,
                                                .*?\)\s*;%mi then
                $1
              elsif class_name and
                    @content =~ %Document-(?:const|global|variable):\s
                                   #{class_name}::#{const_name}
                                   \s*?\n((?>.*?\*/))%m then
                "/*\n#{$1}"
              elsif @content =~ %Document-(?:const|global|variable):
                                   \s#{const_name}
                                   \s*?\n((?>.*?\*/))%m then
                "/*\n#{$1}"
              else
                ''
              end

    RDoc::Comment.new comment, @top_level
  end