Where does the C standard describe overflow of signed integers?

[Robert Dewar]

Paul Schlie wrote:

> Although I don't intend to extend the debate; doesn't anyone find it curious
> that given this hard requirement, combined with the fact that all current
> machine architectures rely on 2's complement signed integer representation
> to eliminate the otherwise necessity for distinct signed integer arithmetic
> operations; that by extension unsigned and signed integer arithmetic
> operations are behaviorally equivalent all current machine implementations
> (as well as likely future implementations for the same reasons);

nonsense!  -1/1 = 0 signed, -1 unsigned
-1 < 1 signed, -1>1 unsigned