事实上，这就是 gperf 初始化散列表的方式，其中存储了命令行选项及其相关属性。

This is, in fact, the gperf way of initializing the hash table that will store the command-line options and their associated attributes.

youdao

与"luvcview"不同的是，他初始化罗技他们家的摄像头时用pan/tilt/focus命令即可。 而无需库的帮忙、摆弄XML文件或者udev规则（设备文件在系统中出现的方式）。

In contrast to "luvcview" it initializes the new Logitech commands for pan/tilt/focus without the need for a helper library or fiddling with XML files, udev rules etc.

youdao

这里很多编译器都一定会抱怨“向前引用”，因为它与初始化命令有关而与这个程序的编译方式无关。

This is one place in which the compiler, appropriately, does complain about forward referencing, since this has to do with the order of initialization and not the way the program is compiled.

youdao