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Does anyone know what kind of data structure is used in a game like Terraria to model the world?

WhiteFlags,

I found section Annex J 5.2 of the C99 specification that states:

"Characters other than the underscore _, letters, and digits, that are not part of the basic
source character set...

Excellent question! I'm taking a C Programming class and the instructor asked in a programming exercise. Technically, I just have to asnwer if the variable compiles correctly. It just bugs me that...

Thanks for the quick reply Tater.

The site C Programming/Variables - Wikibooks, open books for an open world states the following:

Naming VariablesVariable names in C are made up of letters...

Can someone help me understand why A$ compiles with Visual Studio 2005 as an int variable with no compiler error?

Thanks,
Jeff



main()
{
int A$;