Boost C++ Libraries

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buffered_write_stream::peek

Peek at the incoming data on the stream. Returns the number of bytes read. Throws an exception on failure.

template<
    typename MutableBufferSequence>
std::size_t peek(
    const MutableBufferSequence & buffers);

Peek at the incoming data on the stream. Returns the number of bytes read, or 0 if an error occurred.

template<
    typename MutableBufferSequence>
std::size_t peek(
    const MutableBufferSequence & buffers,
    boost::system::error_code & ec);

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