Is the loop header reserved for loop control?

循环的头部是否进行循环控制？

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Then we loop over columns (first loop) and add the rest of the header cells to this row and add the row to the provider after the looping is done.

然后，我们将遍历列（第一次循环）并将其余的标题栏单元格添加到该行，并在遍历结束之后将该行添加到提供程序。

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In the main program loop, there is no need for the code that ignores the header lines and the first two lines of input.

在主程序循环中，代码无需忽略标题行和输入的前两行。

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However, from the resulting corner, Doran played a short ball to Sanchez, who crossed for Foran to loop a header into the bottom right corner.

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Danny Swanson, who had replaced Douglas, swept a diagonal delivery into the box and Russell leapt highest to loop a header over Kello and into the net.

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The best chance of the half fell to Anelka, who reacted quickest to a left-wing cross from Franck Ribery but could only loop a weak header over the crossbar.

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