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040000 tree 9e54acc2d38d41feffdeecfcff265d1a3e0f3124	cmd
040000 tree 42568dc95d83e8bf73d0a1a86c832d17c13ce41a	demo
040000 tree 92227b5b2b9bd769c995a914ec24a5ca665f8d94	doc
040000 tree 4e54c0038eee055b57031f8b6f7df56413cd66fe	probe
040000 tree 73426cab318248e03adccae1306908af1888efbd	program
040000 tree cdb0a5b44a2759813f50c439b07f64c95e9fff2d	socket