gnutls_alpn_get_selected_protocol − API function


, gnutls_datum_t * int
gnutls_alpn_get_selected_protocol(gnutls_session_t session

gnutls_session_t session
            is a gnutls_session_t type.

gnutls_datum_t * protocol
            will hold the protocol name

This function allows you to get the negotiated protocol
name. The returned protocol should be treated as opaque,
constant value and only valid during the session life.

The selected protocol is the first supported by the list
sent by the client.

On success, GNUTLS_E_SUCCESS (0) is returned, otherwise a
negative error code is returned.

Since 3.2.0

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