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The asio::buffer_size function determines the total
        number of bytes in a buffer or buffer sequence.
      
std::size_t buffer_size( const mutable_buffer & b); » more... std::size_t buffer_size( const mutable_buffers_1 & b); » more... std::size_t buffer_size( const const_buffer & b); » more... std::size_t buffer_size( const const_buffers_1 & b); » more... template< typename BufferSequence> std::size_t buffer_size( const BufferSequence & b); » more...
        Header: asio/buffer.hpp
      
        Convenience header: asio.hpp