** - script parsing now in rrd_graph_script()
*/
int
-rrd_graph(int argc, char **argv, char ***prdata, int *xsize, int *ysize, FILE *stream)
+rrd_graph(int argc, char **argv, char ***prdata, int *xsize, int *ysize, FILE *stream, double *ymin, double *ymax)
{
image_desc_t im;
*xsize=im.ximg;
*ysize=im.yimg;
+ *ymin=im.minval;
+ *ymax=im.maxval;
if (im.imginfo) {
char *filename;
if (!(*prdata)) {