040000 tree 1c3937109be15b0b4e0261688cdd50b9fcb451fb	bio
040000 tree f6c044951dbb054353b6d97fa106ed72abb7c5ed	cbuf
040000 tree e0b7e08fb9cbf35024e3e2dfefc618473d985a92	console
040000 tree 6a8e59f2619fda3e1ada561087ed554838561b87	debug
040000 tree ec5d8df584d886b6aa7263f9fed62121c359c306	heap
040000 tree fba5dc0216a5c0cbbbfabfc63fb2076027f281fb	libc
040000 tree b5003ef219276a377e69d5d9e967e30b034ac76e	ptable