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curl

    1: /***************************************************************************
    2:  *                                  _   _ ____  _
    3:  *  Project                     ___| | | |  _ \| |
    4:  *                             / __| | | | |_) | |
    5:  *                            | (__| |_| |  _ <| |___
    6:  *                             \___|\___/|_| \_\_____|
    7:  *
    8:  * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@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, "https://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, "https://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: }