C/C++ extern_开发者

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C/C++ extern

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C/C++ extern关键字用法示例全面解析
目录前言一般用法在本模块中使用：跨模块中extern 使用过程中的一些注意事项数组与指针的区别extern 声明全局变量的内部实现extern "C"C和C++互相调用C++的编译和链接C的编译和连接C++中调用C的代码C中调用
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In C, why is sizeof(char) 1, when 'a' is an int?
I tried printf(\"%d, %d\\n\", sizeof(char), sizeof(\'c\')); and got 1, 4 as output. If size of a character is one, why does \'c\' give me 4? I guess it\'s because it\'s an integer. So when I do char
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Immutable Class Construction Design
So we all realize the benefits of immutable types, particularly in multithreaded scenarios.(Or at least we should all realize that; see e.g. System.String.)
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