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Message: [QUOTE="Richard Heathfield, post: 2963239"] ¬a\/b said: No, this isn't portable, because C doesn't guarantee size_t can store values as high as 0x2FFFF. The fact that you can write a non-portable program using size_t does not mean size_t is not portable. I mean that the program will achieve the same computational objective, regardless of the implementation used to translate it. To you, maybe, but not to me. Two levers can be of different lengths, yet both can provide leverage, and you can use either to shift a rock. Just as the concept of "leverage" is portable across levers, so the concept of object size is portable across implementations - and size_t is the type with which we measure object sizes. [/QUOTE]