iphone如何获取dns服务器ip [英] how to get dns server ip in iphone

问题描述

我尝试通过以下方式获取/etc/resolv.confopen("/etc/resolv.conf", 0644)

I have tried to fetch /etc/resolv.conf by open("/etc/resolv.conf", 0644)

但它返回 -1 并且 errno 是 2，这意味着没有这样的文件"

but it return -1 and the errno is 2 which means "no such file"

我能做什么?

推荐答案

您无法访问应用程序沙箱之外的文件.

You can't access files outside your Application's sandbox.

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