[XXXXX: More return values need to be added here]
-=head1 EXAMPLE
+=head1 EXAMPLES
The BIO pair can be used to have full control over the network access of an
application. The application can call select() on the socket as required
find out, how many bytes must be written into the buffer before the
SSL_operation() can successfully be continued.
-=head1 WARNING
+=head1 WARNINGS
As the data is buffered, SSL_operation() may return with an ERROR_SSL_WANT_READ
condition, but there is still data in the write buffer. An application must