+/* Append "answer" to server output file, with instant fflush() if "flush". */
+extern void send_to_outfile(char * answer, uint8_t flush);
+
/* Record save and record file data. Both are only written if "force" is set, or
* on the first run with unset "force", or if 15 seconds have passed since the
* last file writing. "msg" is appended to the record file if it is set.