In order to more easily find out what happened in the function which called wib we can use GDB's stack commands.
为了更容易地查明在调用wib的函数中发生了什么情况，可以使用gdb的堆栈命令。
In the previous example we set a breakpoint at line 21 because we were interested in when "value" equaled "div" before the wib function was called.
由于我们想要知道在调用wib函数之前“ value ”什么时候等于“ div ”，因此在上一示例中我们在第21行中设置断点。
Where I’ve Been (WIB) announced today the launch of its new social travel platform, which features a powerful combination of social networking tools and location-based information services.
Where I’ve Been（WIB）今日宣布推出新的社区旅游平台，其特点是实现了社区网络工具与基于方位的信息服务的强大组合。
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