040000 tree 4c3abaeaa9a4ad950ea2c64562d5f85fdd32ffdd	file.streams
040000 tree 64bf5f777edeea4221922bc81d05b930ea7a3d3f	filesystems
040000 tree 65a0e3d6cfe613ebdacdb777e57b00b7ae8aa4c0	iostream.format
040000 tree d5b1e2293dd563f81c93555fddb9105c5af52125	iostream.forward
040000 tree 3248c7b5618226fe76c49ada19cf35c70c22699a	iostream.objects
040000 tree 908bf7d06966de8fb0a69bb37af7da368d20ef66	iostreams.base
040000 tree c3174b44b854b7edc92b13c007bb5c4972d3b164	stream.buffers
040000 tree 2619c43e0d03f9a696b53b6b680488ca7101f342	string.streams