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I was asked a question in C last night and I did not know the answer since I have not used C much since college so I thought maybe I could find the answer here instead of just forgetting about it.
If a person has a define such as:
#define count 1 Can that person find the variable name count using the 1 that is inside it?
I did not think so since I thought the count would point to the 1 but do not see how the 1 could point back to count.
The simple answer is no they can’t. #Defines like that are dealt with by the preprocessor, and they only point in one direction. Of course the other problem is that even the compiler wouldn’t know – as a ‘1’ could point to anything – multiple variables can have the same value at the same time.