SSH_SK_HELPER_VERSION
if ((r = ssh_msg_send(fd, SSH_SK_HELPER_VERSION, req)) != 0) {
if (version != SSH_SK_HELPER_VERSION) {
version, SSH_SK_HELPER_VERSION);
if (version != SSH_SK_HELPER_VERSION) {
version, SSH_SK_HELPER_VERSION);
if (ssh_msg_send(out, SSH_SK_HELPER_VERSION, resp) == -1)