Nov 27, 2015 · In the normal C or C++ build process the first thing that happens is that the PreProcessor runs, the preprocessor looks though the source files for preprocessor directives …

May 14, 2011 · Most compilers will allow you to define a macro from the command line (e.g. g++ -DDEBUG something.cpp), but you can also just put a define in your code like so: #define …

Jul 9, 2018 · #define is part of something called the "preprocessor." Essentially, this is the code that is processed before the C document is compiled. Most of the preprocessor code is in a file …

The spaces are significant. You created a variable named 'location ' with a value of ' "bob"'.Note - enclosing single quotes were added to show location of space.

You could indeed perform those check, at the cost of increased volume and complexity of code. The pythonic way is to assume the happy path (all types correct) is being followed, and cross …

Aug 24, 2010 · Macros (created with #define) are always replaced as written, and can have double-evaluation problems. inline on the other hand, is purely advisory - the compiler is free …

DEFINE is a preprocessor instruction (for example, #define x 5). The compiler takes this value and inserts it wherever you are calling x in the program and generate the object file. "Define" …

As far as I know, what you're trying to do (use if statement and then return a value from a macro) isn't possible in ISO C... but it is somewhat possible with statement expressions (GNU …

Jun 18, 2012 · The scope of #define is limited to the file in which it is defined. So, #defines which are created in one source file are NOT available in a different source file. In short, #defines …

#define is a special "before compile" directive in C# (it derives from the old C preprocessor directives) that defines a preprocessor symbol. Coupled with #if , depending on what symbols …