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安全函数最全总结:字符串拷贝,内存拷贝,字符串格式化等
入参。安全函数会比非安全函数多一个目的缓冲区长度,这个参数一般紧跟着目的缓冲区指针,作为函数的第二个入参。 函数返回值。非安全函数也就是系统函数,比如字符串拷贝函数strcpy的返回值是一个指向最终的目标字符串 dest 的指针(非安全函数不知道 ...
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