=over 4
-=item 0
+=item Z<>0
The TLS/SSL handshake was not successful but was shut down controlled and
by the specifications of the TLS/SSL protocol. Call SSL_get_error() with the
return value B<ret> to find out the reason.
-=item 1
+=item Z<>1
The TLS/SSL handshake was successfully completed, a TLS/SSL connection has been
established.