This optional pointer is used to allocate temporary storage where you can store information that needs to be retained between calls to and from the handler.
这个可选指针用于分配临时存储空间，以便存储对 Handlder 程序的调用和来自 Handlder 程序的调用之间需要保留的信息。
The returned pointer may be temporary and should not be stored for later use.
原因就是，只能是临时存储，不能使用。
To correct the defect, assign the result of the reallocation function to a temporary, and then replace the original pointer after successful reallocation.
若要更正此缺陷，请将重新分配函数的结果赋给一个临时变量，然后在重新分配成功后恢复原始指针。
The temporary definition structure includes at least one pointer to information in the temporary defect management area.
临时定义结构包括到临时缺陷管理区中信息的至少一个指针。
The data block includes a temporary definition structure. The temporary definition structure includes at least one pointer to information in the temporary defect management area.
该数据块包括临时定义结构，该临时定义结构指示记录介质的记录模式。
The pointer may be temporary and should not be stored for later use.
该指针是临时性的，不能被保存作他用。
The pointer may be temporary and should not be stored for later use.
该指针是临时性的，不能被保存作他用。
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