UV_FS_READDIR    1611 src/win/fs.c     uv_fs_req_init(loop, req, UV_FS_READDIR, cb);
UV_FS_READDIR     387 test/test-fs.c   ASSERT(req->fs_type == UV_FS_READDIR);
UV_FS_READDIR     402 test/test-fs.c   ASSERT(req->fs_type == UV_FS_READDIR);
UV_FS_READDIR     412 test/test-fs.c   ASSERT(req->fs_type == UV_FS_READDIR);