int rrd_graph(int, char **, char ***, int *, int *, FILE *, double *, double *);
void rrd_graph_init(image_desc_t *);
void rrd_graph_options(int, char **, image_desc_t *);
void rrd_graph_script(int, char **, image_desc_t *, int);
int rrd_graph(int, char **, char ***, int *, int *, FILE *, double *, double *);
void rrd_graph_init(image_desc_t *);
void rrd_graph_options(int, char **, image_desc_t *);
void rrd_graph_script(int, char **, image_desc_t *, int);