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      1 /***************************************************************************
      2  *                                  _   _ ____  _
      3  *  Project                     ___| | | |  _ \| |
      4  *                             / __| | | | |_) | |
      5  *                            | (__| |_| |  _ <| |___
      6  *                             \___|\___/|_| \_\_____|
      7  *
      8  * Copyright (C) 1998 - 2015, Daniel Stenberg, <daniel (at) haxx.se>, et al.
      9  *
     10  * This software is licensed as described in the file COPYING, which
     11  * you should have received as part of this distribution. The terms
     12  * are also available at https://curl.haxx.se/docs/copyright.html.
     13  *
     14  * You may opt to use, copy, modify, merge, publish, distribute and/or sell
     15  * copies of the Software, and permit persons to whom the Software is
     16  * furnished to do so, under the terms of the COPYING file.
     17  *
     18  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
     19  * KIND, either express or implied.
     20  *
     21  ***************************************************************************/
     22 /* <DESC>
     23  * re-using handles to do HTTP persistent connections
     24  * </DESC>
     25  */
     26 #include <stdio.h>
     27 #include <unistd.h>
     28 #include <curl/curl.h>
     29 
     30 int main(void)
     31 {
     32   CURL *curl;
     33   CURLcode res;
     34 
     35   curl_global_init(CURL_GLOBAL_ALL);
     36 
     37   curl = curl_easy_init();
     38   if(curl) {
     39     curl_easy_setopt(curl, CURLOPT_VERBOSE, 1L);
     40     curl_easy_setopt(curl, CURLOPT_HEADER, 1L);
     41 
     42     /* get the first document */
     43     curl_easy_setopt(curl, CURLOPT_URL, "http://example.com/");
     44 
     45     /* Perform the request, res will get the return code */
     46     res = curl_easy_perform(curl);
     47     /* Check for errors */
     48     if(res != CURLE_OK)
     49       fprintf(stderr, "curl_easy_perform() failed: %s\n",
     50               curl_easy_strerror(res));
     51 
     52     /* get another document from the same server using the same
     53        connection */
     54     curl_easy_setopt(curl, CURLOPT_URL, "http://example.com/docs/");
     55 
     56     /* Perform the request, res will get the return code */
     57     res = curl_easy_perform(curl);
     58     /* Check for errors */
     59     if(res != CURLE_OK)
     60       fprintf(stderr, "curl_easy_perform() failed: %s\n",
     61               curl_easy_strerror(res));
     62 
     63     /* always cleanup */
     64     curl_easy_cleanup(curl);
     65   }
     66 
     67   return 0;
     68 }
     69