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This is an older version of Boost and was released in 2024. The current version is 1.89.0.
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); » more...
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); » more...