+ __isl_give isl_id *(*before_each_for)(
+ __isl_keep isl_ast_build *context, void *user);
+ void *before_each_for_user;
+ __isl_give isl_ast_node *(*after_each_for)(
+ __isl_take isl_ast_node *node,
+ __isl_keep isl_ast_build *context, void *user);
+ void *after_each_for_user;
+