-
-/* free a given ddt */
-void gras_ddt_free(gras_datadesc_type_t **type);
-
-/* declare in the given set */
-gras_error_t gras_ddt_register(gras_set_t *set,
- gras_datadesc_type_t *type);
-
+gras_error_t gras_datadesc_by_id (long int code,
+ gras_datadesc_type_t **type);
+
+/* to debug */
+void gras_datadesc_type_dump(const gras_datadesc_type_t *ddt);
+const char *gras_datadesc_arch_name(int code);
+
+/* compare two data type description */
+int
+gras_datadesc_type_cmp(const gras_datadesc_type_t *d1,
+ const gras_datadesc_type_t *d2);
+
+/* Access function */
+int gras_datadesc_size(gras_datadesc_type_t *type);
+/* Described data exchanges */
+gras_error_t
+gras_datadesc_cpy(gras_datadesc_type_t *type, void *src, void **dst);
+gras_error_t
+gras_datadesc_send(gras_socket_t *sock, gras_datadesc_type_t *type, void *src);
+gras_error_t
+gras_datadesc_recv(gras_socket_t *sock, gras_datadesc_type_t *type,
+ int r_arch, void *dst);
+
+/* Indicate (lack of) interest in datatype */
+void gras_datadesc_ref(gras_datadesc_type_t *type);
+void gras_datadesc_unref(gras_datadesc_type_t *type);
+