row pointer

基本解释

Listing 1. Get file row pointer and initialize return variable
列表1.获得文件行指针并初始化返回变量
For simplicity, you should have the row pointer always wrap back to the beginning if the end of the file is reached.
为了简单起见，如果已经到达了文件的末端，您应该使这个行指针回到开始。
Gets the current file row pointer, stored as an object but used as an integer, from the global variable in the data area for the test engine (this will be set up later)
从测试引擎（稍后就会安装它）数据区域中的全局变量获取当前最为结果储存但是当作整数使用的文件行指针。