Api function
#include <gnutls/gnutls.h>
int gnutls_alpn_get_selected_protocol(gnutls_session_t session, gnutls_datum_t * protocol);
is a gnutls_session_t structure.
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.
On success, GNUTLS_E_SUCCESS (0) is returned, otherwise a negative error code is returned.
Since 3.2.0
Report bugs to <[email protected]>.
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