为了简化处理过程和内存要求，lwIP对API进行了裁减，可以不需要复制一些数据。

To simplify the processing and memory requirements, lwIP of API have been cut, some data can not be copied.

youdao

为了简化处理过程和内存要求，lwIP对API进行了裁减，可以不需要复制一些数据。

To simplify the processing and memory requirements, lwIP of API have been cut, some data can not be copied.

youdao