struct dataset
{
int n_data;
- char *label;
+ const char *label;
};
/* Plot a data point */
void
-chart_datum(struct chart *ch, int dataset, double x, double y)
+chart_datum(struct chart *ch, int dataset UNUSED, double x, double y)
{
const double x_pos =
(x - ch->x_min) * ch->abscissa_scale + ch->data_left ;