gnutls_alpn_set_protocols(3) gnutls gnutls_alpn_set_protocols(3)

gnutls_alpn_set_protocols - 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);

is a gnutls_session_t type.
is the protocol names to add.
the number of protocols to add.
zero or a sequence of gnutls_alpn_flags_t

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

See gnutls_alpn_flags_t description for the documentation of available flags.

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

Since 3.2.0

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