+int zpm_foreach_path_ds(struct zpm *zpm, char *pkgid, char *where,
+int (*callback)(struct zpm *, struct zpm_file *, void *), void *cbd);
+
+int zpm_foreach_package(struct zpm *zpm, char *where,
+int (*callback)(void *cbdata, int ncols, char **vals, char **cols),
+void *data, char **errmsg);