gtk_list_store_set (liststore, &iter,
COMPUTE_COL_NAME, expr_operation_get_name (op),
COMPUTE_COL_USAGE, expr_operation_get_prototype (op),
gtk_list_store_set (liststore, &iter,
COMPUTE_COL_NAME, expr_operation_get_name (op),
COMPUTE_COL_USAGE, expr_operation_get_prototype (op),