Preprocessor Reference

This reference explains the preprocessor as it is implemented in Microsoft C/C++. The preprocessor performs preliminary operations on C and C++ files before they are passed to the compiler. The preprocessor allows you to: Define and undefine macros. Expand macros. Conditionally compile code. Insert specified files. Specify compile-time error messages. Apply machine-specific rules to specified sections of code. What do you want to know more about? Preprocessor directives. Preprocessor operators. Predefined macros. Pragmas. Interesting home pages    The entire Visual C++ product. C/C++ Language Quick Reference   Reference of language elements -- keywords and operators. Compiling and Linking   Building your program.