For that kind of inquiry, perl has extended use for the -V option, supporting regular expressions et all:

$ perl -V:'use64bit(int|all)|[iu]vsize'
ivsize='8';
use64bitall='define';
use64bitint='define';
uvsize='8';

[download]

Enjoy, Have FUN! H.Merijn

In reply to Re^2: reliably test integer size for portable bit-fiddling? by Tux
in thread reliably test integer size for portable bit-fiddling? by wollmers

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