1CURLOPT_PROXYHEADER(3)     curl_easy_setopt options     CURLOPT_PROXYHEADER(3)
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NAME

6       CURLOPT_PROXYHEADER - custom HTTP headers to pass to proxy
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SYNOPSIS

9       #include <curl/curl.h>
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11       CURLcode curl_easy_setopt(CURL *handle, CURLOPT_PROXYHEADER,
12                                 struct curl_slist *headers);
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DESCRIPTION

15       Pass  a  pointer  to a linked list of HTTP headers to pass in your HTTP
16       request sent to a proxy. The rules for this list is  identical  to  the
17       CURLOPT_HTTPHEADER(3) option's.
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19       The  headers set with this option is only ever used in requests sent to
20       a proxy - when there's also a request sent to a host.
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22       The first line in a request (containing the method, usually  a  GET  or
23       POST)  is  NOT  a header and cannot be replaced using this option. Only
24       the lines following the request-line are headers.  Adding  this  method
25       line  in  this  list of headers will only cause your request to send an
26       invalid header.
27
28       Pass a NULL to this to reset back to no custom headers.
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DEFAULT

31       NULL
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PROTOCOLS

34       HTTP
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EXAMPLE

37       CURL *curl = curl_easy_init();
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39       struct curl_slist *list;
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41       if(curl) {
42         curl_easy_setopt(curl, CURLOPT_URL, "https://example.com");
43         curl_easy_setopt(curl, CURLOPT_PROXY, "http://proxy.example.com:80");
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45         list = curl_slist_append(NULL, "Shoesize: 10");
46         list = curl_slist_append(list, "Accept:");
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48         curl_easy_setopt(curl, CURLOPT_PROXYHEADER, list);
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50         curl_easy_perform(curl);
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52         curl_slist_free_all(list); /* free the list again */
53       }
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AVAILABILITY

56       Added in 7.37.0
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RETURN VALUE

59       Returns CURLE_OK if the option is supported,  and  CURLE_UNKNOWN_OPTION
60       if not.
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SEE ALSO

63       CURLOPT_HEADEROPT(3), CURLOPT_HTTPHEADER(3),
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67libcurl 7.71.1                   May 30, 2017           CURLOPT_PROXYHEADER(3)
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