quoth Richard A. O'Keefe,
...
> (This actually strikes me as a flaw in Mac OS X:
> `typedef unsigned long tcflag_t;' should have been
> `typedef uint32_t tcflag_t;'
> because there's no _reason_ for the field size to change
> this way.)

True, it's crazy to have structures changing size like that
when the effective size of each field is fixed per standard.