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
This version of Boost is under active development. You are currently in the develop branch. The current version is 1.90.0.
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...