在清单10中，找到了文件emptyfile，所以test返回0；但是没有找到文件badfilename，所以返回1。

In Listing 10, the file emptyfile was found, so test returned 0; the file badfilename was not found, so 1 was returned.

youdao

在清单10中，找到了文件emptyfile，所以test返回0；但是没有找到文件badfilename，所以返回1。

In Listing 10, the file emptyfile was found, so test returned 0; the file badfilename was not found, so 1 was returned.

youdao