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What should the 64-bit type be on a machine that can support it?
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What should the 64-bit type be on a machine that can support it?
The new C99 Standard specifies type long long as effectively being at least 64 bits, and this type has been implemented by a number of compilers for some time. (Others have implemented extensions such as __longlong.) On the other hand, it's also appropriate to implement type short int as 16, int as 32, and long int as 64 bits, and some compilers do.
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