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 is the documentation for a snapshot of the develop branch, built from commit ec9f6e560b.

Inherited from basic_socket.

Determine the number of bytes available for reading.

std::size_t available(
    boost::system::error_code & ec) const;

This function is used to determine the number of bytes that may be read without blocking.

The number of bytes that may be read without blocking, or 0 if an error occurs.