CURLOPT_REFERER
Section: curl_easy_setopt options (3)
Updated: February 19, 2021
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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 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.
DEFAULT
NULL
PROTOCOLS
HTTP
EXAMPLE
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);
}
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),
CURLINFO_REFERER(3),