kplot_get_datacfg —
get data configurations for a plot
#include <cairo.h>
#include <kplot.h>
int
kplot_get_datacfg(struct kplot
*p, size_t pos, struct kdatacfg
**cfgs, size_t *cfgsz);
The kplot_get_datacfg function returns the
struct kdatacfg assigned to data attached with
kdata_attach_data(3),
kdata_attach_datas(3),
and
kdata_attach_smooth(3).
Since there may be more than one configuration per attachment,
kplot_get_datacfg will assign the array to
cfgs and the number of sources to
cfgsz. The pos value refers to
the order of attachment.
kplot_get_datacfg returns 0 if there is no
data source at that index, otherwise it returns non-zero and the
cfgs and cfgsz are filled
in.