### buffer_sequence_begin

The `asio::buffer_sequence_begin` function returns an iterator pointing to the first element in a buffer sequence.

    const mutable_buffer * buffer_sequence_begin(
        const mutable_buffer & b);
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    const const_buffer * buffer_sequence_begin(
        const const_buffer & b);
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    template<
        typename C>
    auto buffer_sequence_begin(
        C & c);
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    template<
        typename C>
    auto buffer_sequence_begin(
        const C & c);
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##### Requirements

Header: `asio/buffer.hpp`

Convenience header: `asio.hpp`