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https://e2e.ti.com/support/tools/code-composer-studio-group/ccs/f/code-composer-studio-forum/1405893/launchxl-f28p55x-can-t-use-sizeof-operator-in-texas-instrument-s-code-composer-studio---tms320f28p550sj9
工具与软件：
将 cast 键入 int 作为`printf ("%d"、(int) sizeof (int))；- sizeof 运算符实际上可以工作、但无法将其值打印到控制台、除非您将其键入 int 或任何其他类型！
