+/* Versions which take (parts of) (multiple) messages, using \n to
+ * distinguish one message from another. */
+extern void slilog_part(struct log_if *lf, int class, const char *message, ...)
+FORMAT(printf,3,4);
+extern void vslilog_part(struct log_if *lf, int class, const char *message,
+ va_list) FORMAT(printf,3,0);
+