-gras_error_t test_int(gras_socket_t sock, int direction);
-gras_error_t test_float(gras_socket_t sock, int direction);
-gras_error_t test_double(gras_socket_t sock, int direction);
-gras_error_t test_array(gras_socket_t sock, int direction);
-gras_error_t test_intref(gras_socket_t sock, int direction);
-gras_error_t test_string(gras_socket_t sock, int direction);
+xbt_error_t test_int(gras_socket_t sock, int direction);
+xbt_error_t test_float(gras_socket_t sock, int direction);
+xbt_error_t test_double(gras_socket_t sock, int direction);
+xbt_error_t test_array(gras_socket_t sock, int direction);
+xbt_error_t test_intref(gras_socket_t sock, int direction);
+xbt_error_t test_string(gras_socket_t sock, int direction);