Conversion of near pointer not allowed :不允许转换近指针 Could not find file 'xxx' :找不到XXX文件 Declaration missing ; :说明缺少";" Declaration syntax error :说明中出现语法错误 Default outside of switch :Default 出现在switch语句之外 Define directive needs an identifier :定义编译预处理需要标识符...
C/C++高级特性之——预处理器中的宏(Macro)#define 详解 宏(英语:Macro)是一种批量处理的称谓。 计算机科学里的宏是一种抽象(Abstraction),它根据一系列预定义的规则替换一定的文本模式。解释器或编译器在遇到宏时会自动进行这一模式替换。对于编译语言,宏展开在编译时发生,进行宏展开的工具常被称为宏展开器。 ...
User break 用户强行中断了程序 Void functions may not return a value Void类型的函数不应有返回值 Wrong number of arguments 调用函数的参数数目错 'xxx' not an argument xxx不是参数 'xxx' not part of structure xxx不是结构体的一部分 xxx statement missing ( xxx语句缺少左括号 xxx statement missing ...
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若macro没有定义 `#ifdef()`会判断为false `#ifndef()`会判断为true 举例来说: #include <stdio.h> #define test1 1 #define test2 0 int main(){ #ifndef test1 // #if !defined(test1) printf("test1 is not defined...\n"); #else printf("test1 is defined...\n"); #endif #ifdef test2...
8、ired 需要逻辑 值 0或非 0值Macro argument syntax error宏参 数语法错误Macro expansion too long宏的 扩展以后太长Mismatched number of parameters in definition -定 义中参数个数不匹酉己Misplaced break止匕处不应出现break语句Misplaced continue止匕处不应 出现 continue语句Misplaced decimal point此处不应...
The special operator#definedis used to test whether a certain macro is defined or not. It's often used with#ifdirective. #ifdefined BUFFER_SIZE && BUFFER_SIZE >= 2048// codes Predefined Macros Here are some predefined macros in C programming. ...
.lib is not a valid Win32 application - Visual Studio 2017 .rsrc section information '__asm' : undeclared identifier '__cplusplus' is not defined as a preprocessor macro, replacing with '0' for '#if/#elif' '/clr' and '/std:c++latest' command-line options are incompatible '/MT' and...
We can define a function like Macro, in which we can pass the arguments. When a Macro is called, the Macro body expands or we can say Macro Call replaces with Macro Body.Now, the important thing is that: How Macro arguments evaluate? - "Macro arguments do not evaluate before Macro ...