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.TH CURLINFO_REFERER 3 "February 19, 2021" "libcurl 7.77.0" "curl_easy_getinfo options"

.SH NAME
CURLINFO_REFERER \- get the referrer header
.SH SYNOPSIS
#include <curl/curl.h>

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

The \fBhdrp\fP pointer will be NULL or pointing to private memory you MUST NOT
free - it gets freed when you call \fIcurl_easy_cleanup(3)\fP on the
corresponding CURL handle.
.SH PROTOCOLS
HTTP(S)
.SH EXAMPLE
.nf
CURL *curl = curl_easy_init();
if(curl) {
  CURLcode res;
  curl_easy_setopt(curl, CURLOPT_URL, "https://example.com");
  curl_easy_setopt(curl, CURLOPT_REFERER, "https://example.org/referrer");
  res = curl_easy_perform(curl);
  if(res == 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 7.76.0
.SH RETURN VALUE
Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.
.SH "SEE ALSO"
.BR curl_easy_getinfo "(3), " curl_easy_setopt "(3), "
.BR CURLOPT_REFERER "(3), "
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