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                     23: .TH CURLOPT_AUTOREFERER 3 "May 05, 2017" "libcurl 7.70.0" "curl_easy_setopt options"
                     24: 
                     25: .SH NAME
                     26: CURLOPT_AUTOREFERER \- automatically update the referer header
                     27: .SH SYNOPSIS
                     28: #include <curl/curl.h>
                     29: 
                     30: CURLcode curl_easy_setopt(CURL *handle, CURLOPT_AUTOREFERER, long autorefer);
                     31: .SH DESCRIPTION
                     32: Pass a parameter set to 1 to enable this. When enabled, libcurl will
                     33: automatically set the Referer: header field in HTTP requests where it follows
                     34: a Location: redirect.
                     35: .SH DEFAULT
                     36: 0, disabled
                     37: .SH PROTOCOLS
                     38: HTTP
                     39: .SH EXAMPLE
                     40: .nf
                     41: CURL *curl = curl_easy_init();
                     42: if(curl) {
                     43:   curl_easy_setopt(curl, CURLOPT_URL, "http://example.com/foo.bin");
                     44: 
                     45:   /* follow redirects */
                     46:   curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 1L);
                     47: 
                     48:   /* set Referer: automatically when following redirects */
                     49:   curl_easy_setopt(curl, CURLOPT_AUTOREFERER, 1L);
                     50: 
                     51:   ret = curl_easy_perform(curl);
                     52: 
                     53:   curl_easy_cleanup(curl);
                     54: }
                     55: .fi
                     56: .SH AVAILABILITY
                     57: Along with HTTP
                     58: .SH RETURN VALUE
                     59: Returns CURLE_OK if HTTP is supported, and CURLE_UNKNOWN_OPTION if not.
                     60: .SH "SEE ALSO"
                     61: .BR CURLOPT_REFERER "(3), " CURLOPT_FOLLOWLOCATION "(3), "