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040000 tree 8c29a14f5dc922d1d011ba2833727a6b7c31226a	filesystems
040000 tree b0fc7e41d81f04ba020c8afc19115d4f1b7325e5	input.output.general
040000 tree f9684e0859ef8f876c46b545b659795fad79b480	iostream.format
040000 tree 9e66b4646433f2c7d9493a79eeeb3fd6b7fd7dab	iostream.forward
040000 tree 0f984665374536e08f3e55b07e9fd62c5839b127	iostream.objects
040000 tree 1d0b1496b4933248f52c6f40c1687a4ffb441d88	iostreams.base
040000 tree 29f018212d41feeb8edbfaf39d1f1059981b508f	iostreams.requirements
040000 tree fb88633a11a281c29c5202f3d3446ad0d93566c0	stream.buffers
040000 tree 52e42c39af4fc1960ed6299220a5c34b2803bd03	string.streams