C language, proper usage of include guards...

Include Problems and Include Guards...

Are redundant include guards necessary?...

code guards fail and template from string literal...

code guards fail...

Where to place #includes and Redundancies in Code (Header and Implementation Files)...

C++: Understanding Header Files & Header Guards with Easy Addition Example...

C Header include-guards used only in header files but not in .c files. Why?...

Why not just declare structs in headers? Wouldn't this make include-guards unnecessary?...

Are there include guards in the standard headers/libraries?...

Only include headers in interface, not in implementation...

Header Guard Issues - Getting Swallowed Alive...

Is #import part of the C++11 standard?...

Include Guard still inserting Global Variables...

Error when including the same file in 2 files and then including them in another file (in c)...

Why include guards gives no effect for me? Am I missing something?...

C kernel library includes and bloat...

Why does global variables in a header file cause link error?...

Will ifndef always work on an object-like macro defined with an empty replacement-list...

#include repetition...

Find include guard typos in C++ with gnu coreutils...

C++ include guard...

Difference Between includes and imports...

multiple definition and namespace...

C++ with Extern "C" causing Duplicate Symbols Error...

Include guard style, C++...

Why is it not permitted to define the members of a C struct more than once?...

Eclipse-CDT: Use Namespace in automatic generated include-guards...

Why isn't C/C++'s "#pragma once" an ISO standard?...

difference between "ifndef" and "if !defined" in C?...