NAME

       CURLOPT_REFERER - the HTTP referer header

SYNOPSIS

       #include <curl/curl.h>

       CURLcode curl_easy_setopt(CURL *handle, CURLOPT_REFERER, char *where);

DESCRIPTION

       Pass  a  pointer  to a null-terminated string as parameter. It is used to set the Referer:
       header field in the HTTP request sent to the remote server. You can set any custom  header
       with CURLOPT_HTTPHEADER(3).

       The application does not have to keep the string around after setting this option.

DEFAULT

       NULL

PROTOCOLS

       HTTP

EXAMPLE

       int main(void)
       {
         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.org/me.html");

           curl_easy_perform(curl);
         }
       }

AVAILABILITY

       If built with HTTP support

RETURN VALUE

       Returns   CURLE_OK   if   HTTP   support  is  enabled,  CURLE_UNKNOWN_OPTION  if  not,  or
       CURLE_OUT_OF_MEMORY if there was insufficient heap space.

SEE ALSO

       CURLINFO_REDIRECT_URL(3), CURLINFO_REFERER(3), CURLOPT_HTTPHEADER(3), CURLOPT_USERAGENT(3)