Is #if defined MACRO equivalent to #ifdef MACRO? - Stack Overflow
Sep 2, 2016 · If the definition of define as a macro is simply permitted to stand, and occurrences of defined are subsequently replaced (including in the arguments of #if preprocessing directives) thus …
C/C++ #define Macro inside macro? - Stack Overflow
Feb 24, 2012 · For example, this pattern is used to define a macro for WEAK (meaning that a given function definition can be replaced by another with the same name in another compilation unit, rather …
Define a preprocessor macro through CMake - Stack Overflow
Jan 24, 2024 · How do I define a preprocessor variable through CMake? The equivalent code would be #define foo.
Are typedef and #define the same in C? - Stack Overflow
Nov 3, 2009 · You can also use #define to declare miniature find-and-replace Macro functions. typedef can be used to give aliases to types (which you could probably do with #define as well), but it's safer …
When and why use a #define macro (x) instead of function?
When is the macro method preferred, and when is it better to trust the compiler? Hence, Macro should be preferred only when you don't have any choice left to use a function, because most of the times …
MSBuild: set a specific preprocessor #define in the command line
In Visual Studio, add an environment variable macro, $(ExternalCompilerOptions), to the Additional Options under project options → C/C++ → Command Line (remember both Debug and Release …
How to define macro of macros in C? - Stack Overflow
Jun 2, 2018 · 1 Is it possible to define a macro of macros in C? Usually, the body of the macro-definition string contains, the operators of the language. However sometimes there is a need to describe …
Using define macro to initialize structure object in C
Jun 13, 2020 · Using define macro to initialize structure object in C Asked 5 years, 6 months ago Modified 5 years, 6 months ago Viewed 7k times
Optional Parameters with C++ Macros - Stack Overflow
Jun 15, 2010 · Here's how it goes. First define the user-visible overloaded "function", I named it create, and the related actual function definition realCreate, and the macro definitions with different number …
How can I pass a macro definition from "make" command line …
I usually pass macro definitions from "make command line" to a "makefile" using the option: -Dname=value. The definition is accessible inside the makefile. I also pass macro