Hello, Sir

I downloaded curl-7.9 package and installed it. Then I wrote a sample and ran. It reported "Segment Fault" error like following after calling curl_easy_perform(curl).

Segmentation Fault (core dumped)

My OS is RH7.0 and the attachement is my sample code.
And I used following command line to compile:

gcc -o curltest.out curltest.c -lcurl

Can you give me some advice about the error?

Thanks.
L.ZX