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50 lines
1.4 KiB
Groff
50 lines
1.4 KiB
Groff
.\" generated by cd2nroff 0.1 from CURLOPT_REFERER.md
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.TH CURLOPT_REFERER 3 "2024-11-09" libcurl
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.SH NAME
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CURLOPT_REFERER \- the HTTP referer header
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.SH SYNOPSIS
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.nf
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#include <curl/curl.h>
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CURLcode curl_easy_setopt(CURL *handle, CURLOPT_REFERER, char *where);
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.fi
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.SH DESCRIPTION
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Pass a pointer to a null\-terminated string as parameter. It is used to set the
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Referer: header field in the HTTP request sent to the remote server. You can
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set any custom header with \fICURLOPT_HTTPHEADER(3)\fP.
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The application does not have to keep the string around after setting this
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option.
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Using this option multiple times makes the last set string override the
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previous ones. Set it to NULL to disable its use again.
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.SH DEFAULT
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NULL
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.SH PROTOCOLS
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This functionality affects http only
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.SH EXAMPLE
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.nf
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int main(void)
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{
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CURL *curl = curl_easy_init();
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if(curl) {
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curl_easy_setopt(curl, CURLOPT_URL, "https://example.com");
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/* tell it where we found the link to this place */
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curl_easy_setopt(curl, CURLOPT_REFERER, "https://example.org/me.html");
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curl_easy_perform(curl);
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}
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}
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.fi
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.SH AVAILABILITY
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Added in curl 7.1
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.SH RETURN VALUE
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Returns CURLE_OK if HTTP support is enabled, CURLE_UNKNOWN_OPTION if not, or
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CURLE_OUT_OF_MEMORY if there was insufficient heap space.
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.SH SEE ALSO
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.BR CURLINFO_REDIRECT_URL (3),
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.BR CURLINFO_REFERER (3),
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.BR CURLOPT_HTTPHEADER (3),
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.BR CURLOPT_USERAGENT (3)
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