In computer science, a preprocessor (or precompiler) [1] is a program that processes its input data to produce output that is used as input in another program. The output is said to be a preprocessed …

Aug 20, 2025 · Preprocessors are programs that process the source code before the actual compilation begins. They are not part of the compilation process but operate separately, allowing programmers …

FYI, identifiers/names, including preprocessor symbols, beginning with an underscore followed by a capital letter (or beginning with two underscores) are reserved to the implementation by the C and …

The meaning of PREPROCESS is to do preliminary processing of (something, such as data).

The WiX preprocessor lets you use variables in your WiX authoring, share fragments of WiX authoring, and conditionally include or exclude XML elements based on conditional expressions.

Feb 20, 2016 · Because that's what ## means in the C preprocessor. It's like saying "why does i++ increment i?". Because the C standard says so!

Aug 23, 2025 · Preprocesses C and C++ source files and writes the preprocessed output to a file. The file has the same base name as the source file and an .i extension. In the process, all preprocessor …

The preprocessor will replace the stringified arguments with string constants. The C compiler will then combine all the adjacent string constants into one long string.

Aug 3, 2021 · The preprocessor is a text processor that manipulates the text of a source file as part of the first phase of translation. The preprocessor doesn't parse the source text, but it does break it up …

A c-style macro preprocessor written in Python. Contribute to interpreters/pypreprocessor development by creating an account on GitHub.