Guarding .h variables with #ifndef is not stopping multiple definitions. How to fix?
12542
Why aren't my compile guards preventing multiple definition inclusions?
15037
Is there a C pre-processor which eliminates #ifdef blocks based on values defined/undefined?
70679
How to define a function in ghci across multiple lines?
83608
Is it possible to dereference variable id's?
125535
How do I fix this "identifier is not declared in the current scope" error?
80760
How do I fix "for loop initial declaration used outside C99 mode" GCC error?
113530
C++ compiling on Windows and Linux: ifdef switch
34264
Why is my HelloWorld function not declared in this scope?
18084
How do I save a variable or function definition to a file?
96750
Detecting superfluous #includes in C/C++?
110433
Locally declared variables can not be inspected
120331
Should I use #include in headers?
99699
Why including same headers in multiple cpp files and then their compilation works?
151869
What's the scope of a variable initialized in an if statement?
130861
How to suppress GCC warnings from library headers?
7871
Are "if" and "iff" interchangeable in definitions?
61229
Why does omitting explicit 'int' type for a parameter fail to compile in gcc sometimes?