040000 tree 1731a247f6c9350fa19fd2d495cd434f78837590	Cwd
040000 tree 1e17ecaf1b7fc52c39e3456b9d8bb4c2aaf4ec13	Fcntl
040000 tree 242c637f9df398adda5d3ff7dd04ce8be6fc70ff	File
040000 tree 0143f127f249b17b75b9a2fd3742ebb8aa2ed63e	Hash
040000 tree 58bf748502c041ff4f8cd91053d4afff6a62caab	IO
040000 tree 6df25905705aef776e3b4fea5ffcaca91a0e5c0f	List
040000 tree 2f98a83e6aff2ba83bde00ad7df09d64a82bff03	POSIX
040000 tree 2244336df77c31fab910eb1ddea5a9c1e8e25fa3	Socket
040000 tree abf8f3ab98767f05b49dd45349a34862b203ec3f	attributes
040000 tree c8876b4614da7f114ee882f67b318a58c2740367	re