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comparison mupdf-source/thirdparty/curl/docs/libcurl/opts/CURLOPT_PROXYHEADER.3 @ 2:b50eed0cc0ef upstream

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ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4. The directory name has changed: no version number in the expanded directory now.
author Franz Glasner <fzglas.hg@dom66.de>
date Mon, 15 Sep 2025 11:43:07 +0200
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1 .\" **************************************************************************
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23 .TH CURLOPT_PROXYHEADER 3 "19 Jun 2014" "libcurl 7.37.0" "curl_easy_setopt options"
24 .SH NAME
25 CURLOPT_PROXYHEADER \- custom HTTP headers to pass to proxy
26 .SH SYNOPSIS
27 .nf
28 #include <curl/curl.h>
29
30 CURLcode curl_easy_setopt(CURL *handle, CURLOPT_PROXYHEADER,
31 struct curl_slist *headers);
32 .SH DESCRIPTION
33 Pass a pointer to a linked list of HTTP headers to pass in your HTTP request
34 sent to a proxy. The rules for this list is identical to the
35 \fICURLOPT_HTTPHEADER(3)\fP option's.
36
37 The headers set with this option is only ever used in requests sent to a proxy
38 - when there's also a request sent to a host.
39
40 The first line in a request (containing the method, usually a GET or POST) is
41 NOT a header and cannot be replaced using this option. Only the lines
42 following the request-line are headers. Adding this method line in this list
43 of headers will only cause your request to send an invalid header.
44
45 Pass a NULL to this to reset back to no custom headers.
46 .SH DEFAULT
47 NULL
48 .SH PROTOCOLS
49 HTTP
50 .SH EXAMPLE
51 .nf
52 CURL *curl = curl_easy_init();
53
54 struct curl_slist *list;
55
56 if(curl) {
57 curl_easy_setopt(curl, CURLOPT_URL, "https://example.com");
58 curl_easy_setopt(curl, CURLOPT_PROXY, "http://proxy.example.com:80");
59
60 list = curl_slist_append(NULL, "Shoesize: 10");
61 list = curl_slist_append(list, "Accept:");
62
63 curl_easy_setopt(curl, CURLOPT_PROXYHEADER, list);
64
65 curl_easy_perform(curl);
66
67 curl_slist_free_all(list); /* free the list again */
68 }
69 .fi
70 .SH AVAILABILITY
71 Added in 7.37.0
72 .SH RETURN VALUE
73 Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.
74 .SH "SEE ALSO"
75 .BR CURLOPT_HEADEROPT "(3), " CURLOPT_HTTPHEADER "(3), "