040000 tree d489e79b76a163183a3c0b02dfb3966ebf67c754	depr.istrstream
040000 tree 4a7e546a384779d8b2298d86396256ed4900a13d	depr.ostrstream
040000 tree f45f166ed8d6bb787e7a8d7b445a65c0c8fcd613	depr.strstream
040000 tree a962e3fdd4a1fe1e68292ac3e54e5611eaffda89	depr.strstreambuf