Top "Include-guards" questions

Anything related to C/C++ include guards technique, i.e. a technique employing C-preprocessor conditional compilation features in order to prevent multiple inclusion of header files in C/C++ source files.

suppress gcc warnings : "warning: this is the location of the previous definition"

I need a set of wrappers around the standard system calls-open,listen,etc. For these i have a few "#define" …

linux gcc-warning include-guards
Naming Include Guards

How are C++ include guards typically named? I tend to see this a lot: #ifndef FOO_H #define FOO_H // ... #…

c++ c-preprocessor include-guards
C header file loops

I have a couple of header files, which boil down to: tree.h: #include "element.h" typedef struct tree_ { struct *…

c include-guards
#ifndef syntax for include guards in C++

I'm currently studying for a CS course's final exam and I've run into a minor (maybe major?) issue regarding the …

c++ include-guards
Is an #include before #ifdef/#define Include-Guard okay?

I always placed my #include after the #ifdef/#define Include-Guard. Now the refactor mechanism of my IDE (Qt Creator) put …

c++ include header-files include-guards
Include guard conventions in C

What is the conventional way to set up your include guards? I usually write them as (for example.h): #ifndef _…

c include-guards
Purpose of Header guards

In C++ what is the purpose of header guard in C++ program. From net i found that is for preventing …

c++ include-guards
Double include solution?

In C++, I have a problem with a double include: File stuffcollection.h #pragma once #ifndef STUFFCOLLECTION_H #define STUFFCOLLECTION_…

c++ include include-guards
Why isn't C/C++'s "#pragma once" an ISO standard?

I am currently working on a big project and maintaining all those include guards makes me crazy! Writing it by …

c++ c pragma include-guards
Header/Include guards don't work?

For some reason, I'm getting multiple declarations of content within my header file even though I'm using header guards. My …

c header include-guards