**************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
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* Copyright (C) 1998 - 2020, Daniel Stenberg, <daniel@haxx.se>, et al.
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* This software is licensed as described in the file COPYING, which
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* are also available at https://curl.haxx.se/docs/copyright.html.
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**************************************************************************

CURLOPT_REFERER - set the HTTP referer header #include <curl/curl.h> CURLcode curl_easy_setopt(CURL *handle, CURLOPT_REFERER, char *where); Pass a pointer to a null-terminated string as parameter. It will be used to set the Referer: header in the http request sent to the remote server. This can be used to fool servers or scripts. You can also set any custom header with CURLOPT_HTTPHEADER(3). The application does not have to keep the string around after setting this option. NULL HTTP

CURL *curl = curl_easy_init();
if(curl) {
 curl_easy_setopt(curl, CURLOPT_URL, "https://example.com");

 /* tell it where we found the link to this place */
 curl_easy_setopt(curl, CURLOPT_REFERER, "https://example.com/aboutme.html");

 curl_easy_perform(curl);
}

If built with HTTP support Returns CURLE_OK if HTTP support is enabled, CURLE_UNKNOWN_OPTION if not, or CURLE_OUT_OF_MEMORY if there was insufficient heap space. CURLOPT_USERAGENT "(3), " CURLOPT_HTTPHEADER "(3), "