Re: return value makes me sad.

Note that the C reference specifies that the order of parameter
evaluation is *unspecified*. So if you code something like

a(b(), c())

nothing guarantees that a() is called before b(). If you depend on the
sequence of calling functions b and c (by using static variables etc.)
the result is unspecified.

(Note: even when using a=b()-c(), the evaluation order of b and c is
*unspecified*.

Hubble.

.

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