curlopt_referer(3) mojave man page | unix.com

CURLOPT_REFERER(3)					     curl_easy_setopt options						CURLOPT_REFERER(3)

NAME
       CURLOPT_REFERER - set 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 zero 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.

DEFAULT
       NULL

PROTOCOLS
       HTTP

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

	 /* tell it where we found the link to this place */
	 curl_easy_setopt(curl, CURLOPT_REFERER, "http://example.com/aboutme.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
       CURLOPT_USERAGENT(3), CURLOPT_HTTPHEADER(3),

libcurl 7.54.0							 December 21, 2016						CURLOPT_REFERER(3)