+/* Described data exchanges: IDL compilation */
+xbt_error_t gras_datadesc_gen_cpy(gras_datadesc_type_t type, void *src, void **dst);
+xbt_error_t gras_datadesc_gen_send(gras_socket_t sock, gras_datadesc_type_t type, void *src);
+xbt_error_t gras_datadesc_gen_recv(gras_socket_t sock, gras_datadesc_type_t type,
+ int r_arch, void *dst);
+