-int rrd_create(int, char **);
-int rrd_update(int, char **);
-int rrd_graph(int, char **, char ***, int *, int *, FILE *, double *, double *);
-int rrd_fetch(int, char **, time_t *, time_t *, unsigned long *,
- unsigned long *, char ***, rrd_value_t **);
-int rrd_restore(int, char **);
-int rrd_dump(int, char **);
-int rrd_tune(int, char **);
-time_t rrd_last(int, char **);
-int rrd_resize(int, char **);
-int rrd_xport(int, char **, int *, time_t *, time_t *,
- unsigned long *, unsigned long *,
- char ***, rrd_value_t **);