struct symbol *sym,
void *cb_data);
-void iterate_over_block_arg_vars (struct block *block,
+void iterate_over_block_arg_vars (const struct block *block,
iterate_over_block_arg_local_vars_cb cb,
void *cb_data);
-void iterate_over_block_local_vars (struct block *block,
+void iterate_over_block_local_vars (const struct block *block,
iterate_over_block_arg_local_vars_cb cb,
void *cb_data);