Check each char read to see whether it is a form feed; if so, increment the page counter.

检查每个读取的字符是否为换页符；若是，则增加页计数器。

youdao

Then check to see whether the page counter is within the requested range of pages, and if so, write the current line; otherwise do not write.

然后检查页计数器是否在请求的页范围之内，若是，则写当前行；否则不写。

youdao

When that condition is false, that is, the page counter is either less than the start page or greater than the end page, it does not write any output.

当那个条件为假(也就是说，页计数器的值小于起始页或大于结束页)时，则selpg不再写任何输出。

youdao

One of the first things we did was to put a page-view counter at the top of every post.

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More than 170, 000 people from 175 countries have gone to the blog, according to a counter on the page.

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They take up precious counter space and never stay on the page you want them to.

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