NAME
SSL_get_version — get the protocol version of a connection.
Synopsis
#include <openssl/ssl.h>
const
char *SSL_get_version(SSL *ssl);
DESCRIPTION
SSL_get_cipher_version() returns the name of the protocol
used for the connection ssl.
RETURN VALUES
The following strings can occur:
SSLv2
The connection uses the SSLv2 protocol.
SSLv3
The connection uses the SSLv3 protocol.
TLSv1
The connection uses the TLSv1 protocol.
unknown
This indicates that no version has been set (no connection
established).