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在CCS9.2环境下，针对28377D的芯片应用中，在头文件.h中比如extern int x（在对应的.c中没有明确定义）;是否表示申明和定义都执行了，只是这样的处理变量初始值是否只能在ParaInit()中执行？
您指的只是申明，并没有定义，需要在C文件中定义的
