-uns image_dup_estimate_size(uns cols, uns rows, uns same_size_compare, uns qtree_limit);
-uns image_dup_new(struct image_dup_context *ctx, struct image *image, void *buffer, uns same_size_compare);
+uint image_dup_estimate_size(uint cols, uint rows, uint same_size_compare, uint qtree_limit);
+uint image_dup_new(struct image_dup_context *ctx, struct image *image, void *buffer, uint same_size_compare);