What every C Programmer should know about undefined behavior #2/3

Anyway, lazy or careless people can always find a way to do lazy or careless things. It is nice if you get a helpful hint that what you are doing is wrong, though. For example, using 4 or 8 space indents tends to give you a wakeup call that 20 levels of nesting might be more than the human mind can understand in C or C++. Using 1 or 2 space tabs does not. etc.