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Hi Zack and Neil, Thank you very much for the explanation. Songtao At 11:09 PM 1/4/2003 -0800, Zack Weinberg wrote:
Songtao Chen <songtao@cisco.com> writes: > i = ++i % 2; > i = i++ % 2; Both of these are invalid C - you can't modify i twice in the same statement (a slight simplification, which will do). Write instead i = (i+1) % 2; to get the behavior you wanted. zw
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