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=pod
=head1 NAME
SSL_get_version - get the protocol version of a connection.
=head1 SYNOPSIS
#include <openssl/ssl.h>
const char *SSL_get_version(const SSL *ssl);
=head1 DESCRIPTION
SSL_get_version() returns the name of the protocol used for the
connection B<ssl>. It should only be called after the initial handshake has been
completed. Prior to that the results returned from this function may be
unreliable.
=head1 RETURN VALUES
The following strings can be returned:
=over 4
=item SSLv2
The connection uses the SSLv2 protocol.
=item SSLv3
The connection uses the SSLv3 protocol.
=item TLSv1
The connection uses the TLSv1.0 protocol.
=item TLSv1.1
The connection uses the TLSv1.1 protocol.
=item TLSv1.2
The connection uses the TLSv1.2 protocol.
=item unknown
This indicates an unknown protocol version.
=back
=head1 SEE ALSO
L<ssl(3)|ssl(3)>
=cut
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