As the topic suggests, I have no idea what the stuff in parenthesis does. (I do know what #define does). I am looking at someone else's code and I see 31 lines of this:<BR><BR>#define SOMETHING (1 << ...

A statement written in the source code of a program that lets the programmer instruct the compiler to perform a specific operation within the compilation phase. For example, the #include directive ...

The C pre-processor can help you write more concise, easy to follow code. It can also let you create a tangled ball of macros and #defines. [s1axter] wrote up a guide on how to use the pre-processor ...