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comparison mupdf-source/thirdparty/curl/docs/libcurl/opts/CURLINFO_ACTIVESOCKET.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 CURLINFO_ACTIVESOCKET 3 "12 Sep 2015" "libcurl 7.44.0" "curl_easy_getinfo options"
24 .SH NAME
25 CURLINFO_ACTIVESOCKET \- get the active socket
26 .SH SYNOPSIS
27 #include <curl/curl.h>
28
29 CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_ACTIVESOCKET,
30 curl_socket_t *socket);
31 .SH DESCRIPTION
32 Pass a pointer to a curl_socket_t to receive the active socket used by this
33 curl session. If the socket is no longer valid, \fICURL_SOCKET_BAD\fP is
34 returned. When you finish working with the socket, you must call
35 \fIcurl_easy_cleanup(3)\fP as usual on the easy handle and let libcurl close
36 the socket and cleanup other resources associated with the handle. This is
37 typically used in combination with \fICURLOPT_CONNECT_ONLY(3)\fP.
38
39 This option was added as a replacement for \fICURLINFO_LASTSOCKET(3)\fP since
40 that one isn't working on all platforms.
41 .SH PROTOCOLS
42 All
43 .SH EXAMPLE
44 .nf
45 CURL *curl = curl_easy_init();
46 if(curl) {
47 curl_socket_t sockfd;
48 curl_easy_setopt(curl, CURLOPT_URL, "http://example.com");
49
50 /* Do not do the transfer - only connect to host */
51 curl_easy_setopt(curl, CURLOPT_CONNECT_ONLY, 1L);
52 res = curl_easy_perform(curl);
53
54 /* Extract the socket from the curl handle */
55 res = curl_easy_getinfo(curl, CURLINFO_ACTIVESOCKET, &sockfd);
56
57 if(res != CURLE_OK) {
58 printf("Error: %s\\n", curl_easy_strerror(res));
59 return 1;
60 }
61 }
62 .fi
63 .SH AVAILABILITY
64 Added in 7.45.0
65 .SH RETURN VALUE
66 Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.
67 .SH "SEE ALSO"
68 .BR curl_easy_getinfo "(3), " curl_easy_setopt "(3), "
69 .BR CURLINFO_LASTSOCKET "(3), "