kdata_buffer_copy —
copy immutable buffer data
#include <cairo.h>
#include <kplot.h>
int
kdata_buffer_copy(struct kdata
*dst, struct kdata *src);
The kdata_buffer_copy function copies data
from src into the buffer source
dst that was created with
kdata_buffer_alloc(3).
kdata_buffer_copy returns 0 if memory
allocation failed.