gnutls_alpn_set_protocols(3) API function


#include <gnutls/gnutls.h>

int gnutls_alpn_set_protocols(gnutls_session_t session, const gnutls_datum_t * protocols, unsigned protocols_size, unsigned int flags);


gnutls_session_t session
is a gnutls_session_t type.
const gnutls_datum_t * protocols
is the protocol names to add.
unsigned protocols_size
the number of protocols to add.
unsigned int flags
zero or GNUTLS_ALPN_*


This function is to be used by both clients and servers, to declare the supported ALPN protocols, which are used during negotiation with peer.

If GNUTLS_ALPN_MAND is specified the connection will be aborted if no matching ALPN protocol is found.


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

Since 3.2.0


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