A textual macro processor applied before compiling C and C++ language programs.
I am using both the JUCE Library and a number of Boost headers in my code. Juce defines "T" as …
c++ boost macros c-preprocessorI am looking through some C source code and I don't understand the following part #if 1 typedef unsigned short PronId; …
c-preprocessor preprocessor-directiveI have a preprocessor macro defined in build settings FOO=BAR That value I want to massage into an Objective-C …
objective-c cocoa cocoa-touch c-preprocessor stringificationI have a Constants.h file in my app, where I #define app-wide things for easy access later. I'm having …
ios objective-c c-preprocessor ifdefineHere's a concrete example of what I want to do. Consider the string.Join function. Pre-.NET 4.0, there were only …
c# .net frameworks c-preprocessor preprocessor-directiveI have a C program below: #define f(g,g2) g##g2 main() { int var12=100; printf("%d",f(var,12)); } when …
c c-preprocessor stringificationGCC complains if I do this: #define M(obj,met, ..., contents) obj##_##met(const void * self, __VA_ARGS__) { \ contents \ } Giving …
c gcc c-preprocessor c99 variadic-macrosI read the following code: #define MACRO(abc, def) {#def ## #abc} char result[10] = MARCO(abc, def); I know the ## operator …
c macros c-preprocessor stringificationWhy: #ifdef SOME_TARGET_FLAG <some code here> #elseifdef SOME_ANOTHER_TARGET_FLAG <some another code here&…
objective-c xcode c-preprocessor preprocessor-directiveAssuming that MACRO is not defined, are these equivalent #ifdef MACRO Not valid C or C++ code #endif /* Not valid …
c comments c-preprocessor conditional-compilation