casenumber casereader_advance (struct casereader *, casenumber);
void casereader_transfer (struct casereader *, struct casewriter *);
+
+struct pxd_object *casereader_save (const struct casereader *, struct pxd *);
+struct casereader *casereader_load (struct pxd_object *, const struct pxd *);
\f
struct casereader *casereader_create_empty (const struct caseproto *);