How to distinguish between 32-bit and 64-bit qt replication

1.64-bit unsigned or signed variables can be used in a 64-bit compiler system.

Secondly, the 64-bit operating system provides more programming interface APIs. These additional interfaces mainly involve the expansion of data types from 32 bits to 64 bits. For example, the original function related to memory management has 32-bit parameters, so it is necessary to provide a management function with 64-bit parameters under a 64-bit operating system, and so on.

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