第一步是向变量声明部分中添加必需的散列。
The first step is to add the required hash to the variable declaration section.
与数据部分中不同，BSS 部分中声明的变量并不实际占用空间。
Variables declared in the BSS section don't actually take space, unlike in the data segment.
应该在过程逻辑的开始部分、紧接变量声明之后的地方调用该过程。
It should be called at the very beginning of the procedural logic, right after the variable declarations.
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