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 an old version of boost. Click here for the latest Boost documentation.
ssl::stream::in_avail (2 of 2 overloads)

Determine the amount of data that may be read without blocking.

std::size_t in_avail(
    boost::system::error_code & ec);

This function is used to determine the amount of data, in bytes, that may be read from the stream without blocking.



Set to indicate what error occurred, if any.

Return Value

The number of bytes of data that can be read without blocking.