preprocessor tag

13 questions

3 answers
65 views
0

What is the difference between const and define?

How do you use these two differently?Should I unify it to one of them?I may have skipped it when I was getting started, but I don't remember it at all

c++ preprocessor

2 years ago

4 answers
117 views
0

# With regard to

You are now trying to deploy the C++ macro on your own.So I found #define and it looked like this.#ifndef OuHolder_h#define OuHolder_h#define like this seems to indicate OuHolder_h is defined.I don't ...

c++ preprocessor

2 years ago

4 answers
135 views
0

# With regard to

c++ preprocessor

2 years ago

3 answers
143 views
0

In Java, to use macros in the C language,

Now I'm trying to convert the source written in C++ to Java.I'm having trouble expanding and rewriting macros.In particular, I am having trouble developing #define, #ifdef/#ifndefCould someone tell me...

java preprocessor

2 years ago

3 answers
69 views
0

In Java, to use macros in the C language,

java preprocessor

2 years ago

4 answers
156 views
0

What is the clear difference between declaration and definition?

What is the clear difference between declaration and definition?For example, can I consider the following examples as both definitions?#define a100#define ba

c++ c preprocessor

2 years ago

2 answers
110 views
0

What is the difference between include and declaration?

For example, in the sentence below, #include<iostream># include <cmath>float Myabs (float x);int main() { float a = 2.5; std::cout<<Myabs(a)<<std::abs(a); a = -5.25; std::cout&...

c++ preprocessor

2 years ago

1 answers
82 views
0

To detect OS (OS X/Linux/Windows, etc.) on a C preprocessor?

I'm going to make a C/C++ code that supports multiple platformsYou want to determine which platform the preprocessor is using.Where can I find relevant information?

c c++ cross-platform preprocessor os-detection

2 years ago

1 answers
114 views
0

Why does "No newline at end of file" appear?

The C++ compiler keeps saying No newline at end of file and raising the warning.Why should I enter at the end of the source/header file?It's not even an error. It's annoying and I don't feel like it. ...

c++ compiler-construction preprocessor warning

2 years ago

1 answers
110 views
0

How to handle scripts woven from C language to bone shell

You are about to use bash script in C language.You don't have to run the bash script fileAs shown in the source below, I want to define the bash script as a definition statement and then run it in the...

c preprocessor bash

2 years ago

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