time_t rrd_last(int, char **);
time_t rrd_first(int, char **);
int rrd_resize(int, char **);
-unsigned long rrd_version(int, char **);
+double rrd_version(void);
int rrd_xport(int, char **, int *, time_t *, time_t *,
unsigned long *, unsigned long *,
char ***, rrd_value_t **);