Boost C++ Libraries 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 master branch, built from commit a8a77c7804.
basic_stream_socket::available (2 of 2 overloads)

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.



Set to indicate what error occurred, if any.

Return Value

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