c语言预处理云解析DNS 的相关内容

文章 2024-01-18 来自：开发者社区

【C语言进阶篇】你真的了解预处理吗？预处理详细解析

一、预定义符号的含义__FILE__ //进行编译的源文件 __LINE__ //文件当前的行号 __DATE__ //文件被编译的日期 __TIME__ //文件被编译的时间 __STDC__ //如果编译器遵循ANSI C，其值为1，否则未定义这些预定义符号都是语言内置的，每一个都有它独特的含义。代码演示：printf("file:%s line:%d\...

文章 2023-07-07 来自：开发者社区

【C语言】预处理超级详细解析

1.预处理符号__FILE__ //进行编译的源文件 __LINE__ //文件当前的行号 __DATE__ //文件被编译的日期 __TIME__ //文件被编译的时间 __STDC__ //如果编译器遵循ANSI C，其值为1，否则未定义以上预定义符号都是C语言内置的。2.#define#define 定义标识符语法： #define n...

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更新时间 2024-05-01 09:55:11

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