+struct casefile;
+
+
+
+struct casefile *casereader_get_casefile (const struct casereader *r);
+
+unsigned long casereader_cnum (const struct casereader *r);
+
+bool casereader_read (struct casereader *r, struct ccase *c);
+
+bool casereader_read_xfer (struct casereader *r, struct ccase *c);
+
+void casereader_destroy (struct casereader *r);
+
+void casefile_destroy (struct casefile *cf);
+
+bool casefile_error (const struct casefile *cf);
+
+unsigned long casefile_get_case_cnt (const struct casefile *cf);
+
+size_t casefile_get_value_cnt (const struct casefile *cf);