CBS_dup
CBS_dup(content, &cbs);
CBS_dup(cbs, ©);
CBS_dup(cbs, &cbs_initial);
void CBS_dup(const CBS *cbs, CBS *out);
void CBS_dup(const CBS *cbs, CBS *out);
CBS_dup(header, &cbs);
CBS_dup(header, &cbs);
CBS_dup(&cbs, &ext_block);
CBS_dup(cbs, &hostname);
CBS_dup(cbs, &proto_name_list);
CBS_dup(&kb->client_write_mac_key, mac_key);
CBS_dup(&kb->client_write_key, key);
CBS_dup(&kb->client_write_iv, iv);
CBS_dup(&kb->server_write_mac_key, mac_key);
CBS_dup(&kb->server_write_key, key);
CBS_dup(&kb->server_write_iv, iv);
CBS_dup(cbs, &extensions_block);
CBS_dup(cbs, &server_hello);
CBS_dup(&content, cbs);
CBS_dup(tls_content_cbs(rl->rcontent), cbs);
CBS_dup(cbs, &extensions_block);
CBS_dup(&cbs, out_cbs);