Inherited from static_streambuf.
a list of buffers that represent the output sequence, with the given size.
if the size would exceed the limit imposed by the underlying mutable
Buffers representing the input sequence acquired prior to this call remain
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)