We can useprintf()function in a Macro. In this example, we are creating afunction like Macro that will print the result of a calculation, like adding two numbers. Macro definition #define SUM(a,b) (printf("SUM of %d and %d is = %d\n", a, b, a+b)) ...
If you want to use a function across multiple source files, you should declare the function in one header file (.h) and then put the function definition in one source file (.c or .cpp). All code that uses the function should include just the .h file, and you should link the resulti...
有的时候为了程序的通用性，可以使用#define预处理宏定义命令，它的具体作用，就是方便程序段的定义和修改。举个例子吧，如果说你在做一个项目，这个项目的代码很长，有5000多行，而且基本上里面的同一个常量N就占了3000多行，如果说今后你要是想对这个常量N的值进行修改，如果在程序的开始没有定义一...
C++. Define a function ParseStr() that takes a string parameter and returns "Good" if the character at index 3 in the string parameter is a space. Otherwise, the function returns "Bad". Ex: ParseStr("cheetah") returns Bad Recall string's at() returns a character at the ...
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解析 【答案】A【核心短语/词汇】define:下定义【翻译】定义【解析】A as作为;B be是;C and和;D in在...里面。define是动词,表示“下定义”,固定用法是“define...as...”,表示“给...下定义为...”。故选A。 反馈 收藏
How to define a complex macro with argument (function like macros)?Read: Complex macro with arguments (function like macro) in C language.2) #undef - Un defining a defined macro#unndef directive is used to un define a defined macro in source code, macro must be defined if you are ...
You could work around this by requiring the user of the macro not to put a semicolon at the end. However, this is highly unnatural and tends to mess with things like automatic code indenting. A better way to fix it is to wrap the function in ado ... while(0)construct. This construc...
A. define、IF、Type B. gect、char、printf C. include、scanf、case D. while、go、pow相关知识点: 试题来源: 解析 define、IF、Type 解析】-|||-答案:-|||-:define是宏定义预处理指令,不是语言-|||-的关键字,是语言的关键字,但是语言区分-|||-大小写,所以IF不是关键字,type没有此关键字。-||...
define的名词 define的名词形式为definition。define作为动词,中文含义有解释的含义、阐明、界定、描出…的外形、确定…的界线等;而definition作为define的名词形式,含义有释义、定义、清晰度。 define作为动词,意为解释(词语)的含义;给(词语)下定义;阐明;明确;界定;画出…的线条;描出…的外形;确定…的界线。