order of evaluation parse date s - (nf)

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#R:houxj:-22000:uiucdcs:27600008:000:271
uiucdcs!mcewan    Feb 26 21:47:00 1983

    i = 4;
    i = i++;
    printf ("%d\n", i);

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Clearly, the value of "i++" is 4. However, c does not specify whether the
increment or the assignment is done first, so the value of i after this
statment is UNDEFINED, or, if you prefer, "compiler dependent".