c-preprocessor

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Does #include also mean Use

I wonder whether #include also means \"use\". If not, would you please tell me what the compiler will do with the extra files, included functions? If yes, does this mean they have their memories alloc[详细]

2023-03-28 01:54 分类：问答
Use of #undef in C++

I am studying a piece of code from GSL libraries and puzzled by few lines in the beginning of a header file.[详细]

2023-03-28 01:25 分类：问答
Android NDK C #ifndef problems

I am using the NDK-r6 on Windows and want to compile a simple C program for testing purposes. Just compiling a C console program is not this easy, but I got the needed options.[详细]

2023-03-27 19:14 分类：问答
Preprocessor-IF doesn't work

I\'m trying to check with Preprocessor-Ifs if the Device is an iPad. If it is an iPad, I want to define something Devicespecific, but for some reason I can\'t check in an PP-IF if a PP-Constant is tru[详细]

2023-03-27 16:04 分类：问答
String literals in Define preprocessor directive

I would like to the #define directive inside of a quotation.Here\'s the problem: There is a built-in function in the embedded platform that I\'m using that takes literal assembly code as a string.I w[详细]

2023-03-27 09:05 分类：问答
include function definitions present in .c files in main

I ha开发者_C百科d to write few functions which are very long. So, I decided to put them in different files and link them to main.. so that it works as if I wrote function definitions after main().[详细]

2023-03-26 15:56 分类：问答
Define a string with parts coming from other defines(non strings)

I\'m trying to create a version string, which is treated as a char* when used. I\'m currently using #define VERSION_MAJOR @cmakeproject_VERSION_MAJOR@[详细]

2023-03-26 15:22 分类：问答
Is there a way to instruct a C++ compiler to skip rest of current file?

Once in a while some functionality has to be conditionally compiled. For example, there\'s class Logger that is only used when WITH_LOGGING macro is #defi开发者_Go百科ned:[详细]

2023-03-26 07:00 分类：问答
Does the program execution always start from main in C?

Must program executio开发者_开发问答n start from main, or can the starting address be modified?[详细]

2023-03-25 14:01 分类：问答
stdlib.h: no such file or directory

I am using various stdlib functions like srand(), etc. I have the line #include <stdlib.h> at the top of my code.[详细]

2023-03-24 03:40 分类：问答