Source preprocessor A typical preprocessor like in the C language. Understanding the preprocessorThis is an introduction to the code preprocessor.Compilers command line optionsPreprocessor options can be used with fglcomp and fglform compilers.File inclusionThe &include directive instructs the preprocessor to include a file.Conditional compilationIntegrate code lines conditionally.Simple macro definitionA simple macro is identified by its name and body.Function macro definitionFunction macros are preprocessor macros which can take arguments.Predefined macrosA set of predefined preprocessor macros are available.Stringification operatorTransforms a preprocessor macro element to a string.Concatenation operatorConcatenates two parameters of a preprocessor macro.Undefining a macroUndefines a preprocessor macro.