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 structure.
is the protocol names to add.
the number of protocols to add.
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 peer negotiation.
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
Report bugs to <[email protected]>.
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