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curl/docs/libcurl/opts/CURLOPT_REFERER.3
Daniel Stenberg 9a8b3b3e13
copyright: fix out-of-date copyright ranges and missing headers
Reported by the new script 'scripts/copyright.pl'. The script has a
regex whitelist for the files that don't need copyright headers.

Removed three (mostly usesless) README files from docs/

Closes #5141
2020-03-24 15:05:59 +01:00

61 lines
2.2 KiB
Groff

.\" **************************************************************************
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.\" * This software is licensed as described in the file COPYING, which
.\" * you should have received as part of this distribution. The terms
.\" * are also available at https://curl.haxx.se/docs/copyright.html.
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.TH CURLOPT_REFERER 3 "17 Jun 2014" "libcurl 7.37.0" "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 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 \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, "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);
}
.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), "