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keil C51 函数指针的形参指针变量
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keil C51 函数指针的形参指针变量
shichengjie
over 2 years ago
在调用函数指针的时候，形参是带有寄存器限制的指针变量，在函数的该形参传入地址，用这个指针形参访问内存地址修改不了原来的变量，这是为什么。