Peter Dimov wrote:
Actually that's not correct. The Standard is quite clear when it states [3.9.1.2]:
There are four signed integer types: "signed char", "short int", "int", and "long int." In this list, each type provides at least as much storage as those preceding it in the list.
And [3.9.1.3]:
For each of the signed integer types, there exists a corresponding (but different) unsigned integer type: "unsigned char", "unsigned short int", "unsigned int", and "unsigned long int," each of which occupies the same amount of storage and has the same alignment requirements (3.9) as the corresponding signed integer type)
You need the C standard to get the complete picture; it states that USHRT_MAX is at least 65535.
The corresponding section of the C Standard you're referring to states [Appendix E:1, implementation limits (informative)]: The contents of the header <limits.h> are given below, in alphabetical order. The minimum magnitudes shown shall be replaced by implementation-defined magnitudes with the same sign. So no restriction imposed from the Standard here, AFAIU. Regards Hartmut
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