Provided by: libcurl4-doc_8.9.1-2ubuntu2.1_all
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
This functionality affects http only
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
Added in curl 7.1
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)