On Thu, 3 Dec 2015, Sino wrote:

> But curl command tool can download the total file.
>
> Anyone can help on that?

Append "--libcurl example.c" to the curl command line and you'll get code that
runs an equivalent transfer that the tool does.

I can't think of any notable difference in your case either, except perhaps
that it will use slightly different keepalive values.

-- 
  / daniel.haxx.se
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