When we compile our program, roughly three things happen in sequence:
Preprocessing
Compilation
Linking
The preprocessing is a process in which the preprocessor modifies the content of our source file(s) in various ways. The compiler then compiles the source code and turns it into object files. The linker then links the object files together and produces an executable file or a library.
When we start the compilation process, a preprocessor tool modifies our file’s source code before the compilation process begins. It does so by using various preprocessor directives. Directives start ...
