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comparison mupdf-source/thirdparty/curl/docs/libcurl/opts/CURLINFO_LASTSOCKET.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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10 .\" * This software is licensed as described in the file COPYING, which
11 .\" * you should have received as part of this distribution. The terms
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23 .TH CURLINFO_LASTSOCKET 3 "12 Sep 2015" "libcurl 7.44.0" "curl_easy_getinfo options"
24 .SH NAME
25 CURLINFO_LASTSOCKET \- get the last socket used
26 .SH SYNOPSIS
27 #include <curl/curl.h>
28
29 CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_LASTSOCKET, long *socket);
30 .SH DESCRIPTION
31 Deprecated since 7.45.0. Use \fICURLINFO_ACTIVESOCKET(3)\fP instead.
32
33 Pass a pointer to a long to receive the last socket used by this curl
34 session. If the socket is no longer valid, -1 is returned. When you finish
35 working with the socket, you must call curl_easy_cleanup() as usual and let
36 libcurl close the socket and cleanup other resources associated with the
37 handle. This is typically used in combination with
38 \fICURLOPT_CONNECT_ONLY(3)\fP.
39
40 NOTE: this API is deprecated since it is not working on win64 where the SOCKET
41 type is 64 bits large while its 'long' is 32 bits. Use the
42 \fICURLINFO_ACTIVESOCKET(3)\fP instead, if possible.
43 .SH PROTOCOLS
44 All
45 .SH EXAMPLE
46 .nf
47 CURL *curl = curl_easy_init();
48 if(curl) {
49 long sockfd; /* doesn't work on win64! */
50 curl_easy_setopt(curl, CURLOPT_URL, "http://example.com");
51
52 /* Do not do the transfer - only connect to host */
53 curl_easy_setopt(curl, CURLOPT_CONNECT_ONLY, 1L);
54 res = curl_easy_perform(curl);
55
56 /* Extract the socket from the curl handle */
57 res = curl_easy_getinfo(curl, CURLINFO_LASTSOCKET, &sockfd);
58
59 if(res != CURLE_OK) {
60 printf("Error: %s\\n", curl_easy_strerror(res));
61 return 1;
62 }
63 }
64 .fi
65 .SH AVAILABILITY
66 Added in 7.15.2
67 .SH RETURN VALUE
68 Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.
69 .SH "SEE ALSO"
70 .BR curl_easy_getinfo "(3), " curl_easy_setopt "(3), "
71 .BR CURLINFO_ACTIVESOCKET "(3), "