-const char *res_get_prefix (Res r, const char *name, const char *prefix,
- const char *def);
+void res_remove_over (Res r);
+
+YAZ_EXPORT
+void res_close_over (Res r);
+
+YAZ_EXPORT
+void res_add (Res r, const char *name, const char *value);
+
+YAZ_EXPORT
+char **res_2_array (Res r);
+
+YAZ_EXPORT
+char **res_get_array(Res r, const char* name);
+
+YAZ_EXPORT
+void res_dump (Res r, int level);
+
+YAZ_EXPORT
+int res_check(Res r_i, Res r_v);