dir2.cr

lib LibC
  ifdef windows
    fun find_first_file = FindFirstFile(...) : Dir*
    fun opendir(name : UInt8) : Dir*
      find_first_file(name, ...)
    end
  else
    fun opendir(name : UInt8*) : Dir*
  end
end
 
class Dir
  def initialize(@path)
    @dir = LibC.opendir(@path)
  end
end