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| .TH CURLOPT_REFERER 3 "February 19, 2021" "libcurl 7.78.0" "curl_easy_setopt options" |
| |
| .SH NAME |
| CURLOPT_REFERER \- set the HTTP referer header |
| .SH SYNOPSIS |
| #include <curl/curl.h> |
| |
| CURLcode curl_easy_setopt(CURL *handle, CURLOPT_REFERER, char *where); |
| .SH 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 \fICURLOPT_HTTPHEADER(3)\fP. |
| |
| The application does not have to keep the string around after setting this |
| option. |
| .SH DEFAULT |
| NULL |
| .SH PROTOCOLS |
| HTTP |
| .SH EXAMPLE |
| .nf |
| 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); |
| } |
| .fi |
| .SH AVAILABILITY |
| If built with HTTP support |
| .SH 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. |
| .SH "SEE ALSO" |
| .BR CURLOPT_USERAGENT "(3), " CURLOPT_HTTPHEADER "(3), " |
| .BR CURLINFO_REFERER "(3), " |
