查看Max()的源代碼

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#define max(a, b) ((a)>(b)?(a):(b))
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最大值<br>

取兩者之間最大值. 例如:<br>
<pre style="color:blue">
sensVal = max(senVal, 20); // assigns sensVal to the larger of sensVal or 20
                           // (effectively ensuring that it is at least 20)
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