Boost C++ Libraries

...one of the most highly regarded and expertly designed C++ library projects in the world. — Herb Sutter and Andrei Alexandrescu, C++ Coding Standards

Get a list of buffers that represent the output sequence, with the given size.

mutable_buffers_type
prepare(
    std::size_t n);

Type	Thrown On
`std::length_error`	if the size would exceed the limit imposed by the underlying mutable buffer sequence.

Buffers representing the input sequence acquired prior to this call remain valid.