長巨集可能難以讀取。 Visual Studio 現在可以展開 C 和 C++ 巨集。 您可以在剪貼簿上取得已展開巨集外觀的複本、將巨集內嵌取代為其展開,並逐步展開巨集,以查看其在每個展開階段的外觀。 在本文中,您會試驗所有這些功能。 必要條件 Visual Studio 17.5 版或更新版本 ...
Compiler warning (level 1) C5104 found 'string1#string2' in macro replacement list, did you mean 'string1""#string2'? Compiler warning (level 1) C5105 macro expansion producing 'defined' has undefined behavior Compiler warning (level 1) C5106 macro redefined with different parameter ...
For example, you can use macro expansion in your source code as follows: #define SIZE 3 EXEC SQL BEGIN DECLARE SECTION; char a[SIZE+1]; char b[(SIZE+1)*3]; struct { short length; char data[SIZE*6]; } m; SQL TYPE IS BLOB(SIZE+1) x; SQL TYPE IS CLOB((SIZE+2)*3) y; SQ...
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 sayMacro Call replaces with Macro Body. Now, the important thing is that:How Macro arguments evaluate?-"Macro arguments do not evaluate before Macro expansio...
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-fast acts like a macro expansion on the command line. Therefore, you can override the optimization level and code generation option aspects by following -fast with the desired optimization level or code generation option. Compiling with the -fast -xO4 pair is like compiling with the -xO2 -...
Sed strips __tmp suffix from parameter names used to avoid macro name conflicts. Grep strips ); to remove redundant forward declarations and sed then adds ; to make each line a valid C prototype. The above is not guaranteed to always work as output may change, but it should go a long ...
c语言代码报错,in expansion of main的printf仔细看看,参数写错了另外最好用int main(void)再加个return 0; 《东方教育》编辑部–在线投稿 《东方教育》CN/ISSN双刊号齐全,中文核心期刊,评职称首选。审稿周期1-7天,1-2个月出刊,可加急,录用率高。点击进入在线投稿广告 c++编程时出现错误unexpect in macro define...
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