Macros (C/C++) We use optional cookies to improve your experience on our websites, such as through social media connections, and to display personalized advertising based on your online activity. If you reject optional cookies, only cookies necessary to provide you the services will be used. ...
1.预处理首先源代码文件（.c/.cpp）和相关头文件（.h/.hpp）被预处理器cpp预编译成.i文件（C++为.ii）。预处理命令为：gcc–Ehello.c–ohello.i预编译过程主要处理那些源代码中以#开始的预编译指令，主要处理规则如下：u将所有的#define ...
printf("EXAMPLE_B_MASK: %d\n", EXAMPLE_B_MASK); printf("EXAMPLE_C_MASK: %d\n", EXAMPLE_C_MASK); return 0; } 在这个例子中,我们定义了一个结构体,其中包含了三个位字段:a, b, 和 c。然后我们使用预处理器操作来生成三个宏:EXAMPLE_A_MASK,EXAMPLE_B_MASK,和 EXAMPLE_C_MASK。这些宏分别对...
C macros offer a convenient way to insert assembly code into your source code, but they demand extra care because a macro expands into a single logical line. To create trouble-free macros, follow these rules:Enclose the __asm block in braces. Put the __asm keyword in front of each ...
Create a macro to automate steps or processes you do repeatedly. The commands for recording a macro are on the Developer tab. Note:Macros can trigger security alerts, because they can be created and used for malicious purposes. For more about the risks of macros and what to do with a secu...
Create a macro to automate steps or processes you do repeatedly. The commands for recording a macro are on the Developer tab. Note:Macros can trigger security alerts, because they can be created and used for malicious purposes. For more about the risks of macros and what to do with a secu...
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项目 2006/11/18 Names the predefined ANSI C and Microsoft C++ implementation macros. The compiler recognizes predefined ANSI C macros and the Microsoft C++ implementation provides several more. These macros take no arguments and cannot be redefined. Some of the predefined macros listed below are def...
C/C++ macros programmingvaldok Rate me: 4.09/5 (15 votes) 24 Apr 2008CPOL13 min read 83.3K 43 15 Sophisticated use of macros, never write things twice!Introduction All the C/C++ textbooks I've ever read criticize the use of macros. "Don't use them, they're dangerous because they ...
1 define macro in C won't work 2 some error in output in using macro in C 3 Simple Macro Causes Compile Error 7 C Macro - was not declared in this scope error 4 Error using macros 8 Compiler complaining of undeclared variable in a macro 2 C macro not working as expected ...