fn dirRealPath(userdata: ?*anyopaque, dir: Dir, out_buffer: []u8) Dir.RealPathError!usize
fn dirRealPath(userdata: ?*anyopaque, dir: Dir, out_buffer: []u8) Dir.RealPathError!usize { const ev: *Evented = @ptrCast(@alignCast(userdata)); return ev.realPath(dir.handle, out_buffer); }