SSH_AGENT_FAILURE
((x == SSH_AGENT_FAILURE) || \
SSH_AGENT_SUCCESS : SSH_AGENT_FAILURE)) != 0)
} else if ((r = sshbuf_put_u8(msg, SSH_AGENT_FAILURE)) != 0)
} else if ((r = sshbuf_put_u8(msg, SSH_AGENT_FAILURE)) != 0 ||
SSH_AGENT_SUCCESS : SSH_AGENT_FAILURE)) != 0)