.\" generated by cd2nroff 0.1 from CURLINFO_REFERER.md
.TH CURLINFO_REFERER 3 "2026-09-02" libcurl
.SH NAME
CURLINFO_REFERER \- used HTTP referrer request header
.SH SYNOPSIS
.nf
#include <curl/curl.h>

CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_REFERER, char **hdrp);
.fi
.SH DESCRIPTION
Pass in a pointer to a char pointer and get the referrer header used in the
most recent request.

The \fBhdrp\fP pointer is NULL or points to private memory. You \fBmust not\fP
free it. The memory gets freed automatically when you call
\fIcurl_easy_cleanup(3)\fP on the corresponding curl handle.
.SH PROTOCOLS
This functionality affects http only
.SH EXAMPLE
.nf
int main(void)
{
  CURL *curl = curl_easy_init();
  if(curl) {
    CURLcode result;
    curl_easy_setopt(curl, CURLOPT_URL, "https://example.com");
    curl_easy_setopt(curl, CURLOPT_REFERER, "https://example.org/referrer");
    result = curl_easy_perform(curl);
    if(result == CURLE_OK) {
      char *hdr = NULL;
      curl_easy_getinfo(curl, CURLINFO_REFERER, &hdr);
      if(hdr)
        printf("Referrer header: %s\\n", hdr);
    }
    curl_easy_cleanup(curl);
  }
}
.fi
.SH AVAILABILITY
Added in curl 7.76.0
.SH RETURN VALUE
\fIcurl_easy_getinfo(3)\fP returns a CURLcode indicating success or error.

CURLE_OK (0) means everything was OK, non\-zero means an error occurred, see
\fIlibcurl\-errors(3)\fP.
.SH SEE ALSO
.BR CURLOPT_REFERER (3),
.BR curl_easy_getinfo (3),
.BR curl_easy_header (3),
.BR curl_easy_setopt (3)