What is Preprocessor ? vivaclipper 8 years ago X Privacy & Cookies This site uses cookies. By continuing, you agree to their use. Learn more, including how to control cookies. Got It! Advertisements What is Preprocessor and How it Works ? Preprocessor Primer ( .pdf ) Advertisements Share this: RelatedPre-processorJuly 8, 2012In "#command"#include directiveJuly 9, 2012In "#command"C5_#includeJuly 20, 2013In "#include"