Yikes. The relevant code is a textbook example of how to make an inscrutable mess of string processing in C. You can do better, even in C, with some care and

Yikes. The relevant code is a textbook example of how to make an inscrutable mess of string processing in C. You can do better, even in C, with some care and better hygiene. But the language does not prevent you (or hell, even discourage you) from creating such abominations.