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3. If *curPosition > fieldLength? or > strlen? or *curpostion > strlen-*stroffset,if it is, then reset it to an appropriate value.<br/>
I hope these can help you to solve you problem.--hyqiao<br/>
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okay, '''a local variable for the offset that holds zero''' simply means creating a local variable''' int a = 0''';
'''to be pointed instead of an external variable.''' means '''curPosition = &a;''' (do this only when curPosition==0)
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