64-bit integer support

Question:
How can I support 64-bit integers on a 32-bit system? I need to do division on numbers exceeding 4.3 billion. I have the resaults in a char value, and would like to convert the value to a 64-bit integer, if possible. If not, do you know of a way to translate the resault of a float division into a more human readable format?

Answer:
As with so many questions I see here, this depends on your compiler, which you didn’t specify.

If, like me, you are using Visual C++, you can declare a 64-bit integer like this:

__int64 i;

Some systems use this:

long long i;

You’ll need to refer to your compiler’s documentation to determine if this is something it supports.

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