class RDoc::Parser::C

def find_alias_comment class_name, new_name, old_name
  content =~ %r%((?>/\*.*?\*/\s+))
                rb_define_alias\(\s*#{Regexp.escape class_name}\s*,
                                 \s*"#{Regexp.escape new_name}"\s*,
                                 \s*"#{Regexp.escape old_name}"\s*\);%xm
  new_comment($1 || '', @top_level, :c)
end