The code in Listing 1 allocates two 512-byte blocks of memory, and then the pointer to the first block is set to the second block.
清单1中的代码将分配两个 512字节的内存块，然后指向第一个内存块的指针被设定为指向第二个内存块。
The Command code and byte count shown above must be sent, but the data is ignored for those two bytes.
命令代码和字节计数上面必须发送，但数据是这两个字节被忽略。
The Command code and byte count shown above must be sent, but the data is ignored for those two bytes.
命令代码和字节计数上面必须发送，但数据是这两个字节被忽略。
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