CURLOPT_REFERER(3)         Library Functions Manual         CURLOPT_REFERER(3)

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)

libcurl                          April 26 2024              CURLOPT_REFERER(3)