On Tue, 10 May 2016, smruti kumari wrote:

I wanted to use the curl in non-blocking mode. So I need to use curl_easy_send() and curl_easy_recv() API to send and receive the data respectively.

That's the wrong conclusion. You need to use the multi interface:

  https://curl.haxx.se/libcurl/c/libcurl-multi.html

Can we get the buffer which contains http header after setting the option
using API curl_easy_setopt() ?

1. There's no HTTP header created after curl_easy_setopt() was used

2. libcurl doesn't expose that kind of internals

--

 / daniel.haxx.se
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