specifications get used!!! */
int rrd_update_r(char *filename, char *_template,
int argc, char **argv);
-int rrd_dump_r(char *filename, char *outname);
+int rrd_dump_r(const char *filename, char *outname);
time_t rrd_last_r(const char *filename);
time_t rrd_first_r(const char *filename, int rraindex);