Clearly, all three solutions present limitations and the conventional buffer memory management approach is not a good mechanism for coding large-scale interacting software.
显而易见地，这三种解决办法全都存在局限性，因此传统缓冲区内存管理方法并不是适合编写大规模交互软件代码的机制。
First, it requires extra management work (allocation and freeing of memory block) wherever a buffer block is required.
首先，它要求在需要缓冲区块的任何地方进行额外的管理工作(分配和释放内存块)。
Freeing the memory becomes the responsibility of the abstract data buffer as well. Considering all that, centralizing memory management and data copying operations produces the following advantages.
释放内存也变成了抽象数据缓冲的责任。
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