040000 tree da5d8d88aff4edd5d1d520511317023ebe13bbf7	fortune_client
040000 tree bc2390cbe7725375fdf45c86d01f21289cf1714f	fortune_server
040000 tree ec26ae8cbe64dab83081ef122c5917a3aa5ae26f	proto
040000 tree c1a7b0d3cc5321883b4153efb2d2add59298fc0f	vgrpc