12961N/A/* Returns 0 if received +OK reply, reply contains the text without the +OK. 12961N/A Returns -1 if received -ERR reply or disconnected. */ 12961N/A/* Start the command asynchronously. Call the callback when finished. */ 12961N/A/* Send a command, don't care if it succeeds or not. */ 15558N/A/* Returns 0 and stream if succeeded, -1 and error if received -ERR reply or 16793N/A/* Start the command asynchronously. Call the callback when finished. */ 16793N/A/* Wait for the next async command to finish. It's an error to call this when 16793N/A there are no pending async commands. */