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+.\" **************************************************************************
+.\" *                                  _   _ ____  _
+.\" *  Project                     ___| | | |  _ \| |
+.\" *                             / __| | | | |_) | |
+.\" *                            | (__| |_| |  _ <| |___
+.\" *                             \___|\___/|_| \_\_____|
+.\" *
+.\" * Copyright (C) 1998 - 2019, Daniel Stenberg, <daniel@haxx.se>, et al.
+.\" *
+.\" * This software is licensed as described in the file COPYING, which
+.\" * you should have received as part of this distribution. The terms
+.\" * are also available at https://curl.haxx.se/docs/copyright.html.
+.\" *
+.\" * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+.\" * copies of the Software, and permit persons to whom the Software is
+.\" * furnished to do so, under the terms of the COPYING file.
+.\" *
+.\" * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+.\" * KIND, either express or implied.
+.\" *
+.\" **************************************************************************
+.\"
+.TH curl_easy_getinfo 3 "11 Feb 2009" "libcurl 7.19.4" "libcurl Manual"
+.SH NAME
+curl_easy_getinfo - extract information from a curl handle
+.SH SYNOPSIS
+.B #include <curl/curl.h>
+
+.B "CURLcode curl_easy_getinfo(CURL *curl, CURLINFO info, ... );"
+
+.SH DESCRIPTION
+Request internal information from the curl session with this function.  The
+third argument \fBMUST\fP be a pointer to a long, a pointer to a char *, a
+pointer to a struct curl_slist * or a pointer to a double (as this
+documentation describes further down).  The data pointed-to will be filled in
+accordingly and can be relied upon only if the function returns CURLE_OK.  Use
+this function AFTER a performed transfer if you want to get transfer related
+data.
+
+You should not free the memory returned by this function unless it is
+explicitly mentioned below.
+.SH AVAILABLE INFORMATION
+The following information can be extracted:
+.IP CURLINFO_EFFECTIVE_URL
+Last used URL.
+See \fICURLINFO_EFFECTIVE_URL(3)\fP
+.IP CURLINFO_RESPONSE_CODE
+Last received response code.
+See \fICURLINFO_RESPONSE_CODE(3)\fP
+.IP CURLINFO_HTTP_CONNECTCODE
+Last proxy CONNECT response code.
+See \fICURLINFO_HTTP_CONNECTCODE(3)\fP
+.IP CURLINFO_HTTP_VERSION
+The http version used in the connection.
+See \fICURLINFO_HTTP_VERSION(3)\fP
+.IP CURLINFO_FILETIME
+Remote time of the retrieved document. See \fICURLINFO_FILETIME(3)\fP
+.IP CURLINFO_FILETIME_T
+Remote time of the retrieved document. See \fICURLINFO_FILETIME_T(3)\fP
+.IP CURLINFO_TOTAL_TIME
+Total time of previous transfer.
+See \fICURLINFO_TOTAL_TIME(3)\fP
+.IP CURLINFO_TOTAL_TIME_T
+Total time of previous transfer.
+See \fICURLINFO_TOTAL_TIME_T(3)\fP
+.IP CURLINFO_NAMELOOKUP_TIME
+Time from start until name resolving completed.
+See \fICURLINFO_NAMELOOKUP_TIME(3)\fP
+.IP CURLINFO_NAMELOOKUP_TIME_T
+Time from start until name resolving completed.
+See \fICURLINFO_NAMELOOKUP_TIME_T(3)\fP
+.IP CURLINFO_CONNECT_TIME
+Time from start until remote host or proxy completed.
+See \fICURLINFO_CONNECT_TIME(3)\fP
+.IP CURLINFO_CONNECT_TIME_T
+Time from start until remote host or proxy completed.
+See \fICURLINFO_CONNECT_TIME_T(3)\fP
+.IP CURLINFO_APPCONNECT_TIME
+Time from start until SSL/SSH handshake completed.
+See \fICURLINFO_APPCONNECT_TIME(3)\fP
+.IP CURLINFO_APPCONNECT_TIME_T
+Time from start until SSL/SSH handshake completed.
+See \fICURLINFO_APPCONNECT_TIME_T(3)\fP
+.IP CURLINFO_PRETRANSFER_TIME
+Time from start until just before the transfer begins.
+See \fICURLINFO_PRETRANSFER_TIME(3)\fP
+.IP CURLINFO_PRETRANSFER_TIME_T
+Time from start until just before the transfer begins.
+See \fICURLINFO_PRETRANSFER_TIME_T(3)\fP
+.IP CURLINFO_STARTTRANSFER_TIME
+Time from start until just when the first byte is received.
+See \fICURLINFO_STARTTRANSFER_TIME(3)\fP
+.IP CURLINFO_STARTTRANSFER_TIME_T
+Time from start until just when the first byte is received.
+See \fICURLINFO_STARTTRANSFER_TIME_T(3)\fP
+.IP CURLINFO_REDIRECT_TIME
+Time taken for all redirect steps before the final transfer.
+See \fICURLINFO_REDIRECT_TIME(3)\fP
+.IP CURLINFO_REDIRECT_TIME_T
+Time taken for all redirect steps before the final transfer.
+See \fICURLINFO_REDIRECT_TIME_T(3)\fP
+.IP CURLINFO_REDIRECT_COUNT
+Total number of redirects that were followed.
+See \fICURLINFO_REDIRECT_COUNT(3)\fP
+.IP CURLINFO_REDIRECT_URL
+URL a redirect would take you to, had you enabled redirects.
+See \fICURLINFO_REDIRECT_URL(3)\fP
+.IP CURLINFO_SIZE_UPLOAD
+(Deprecated) Number of bytes uploaded.
+See \fICURLINFO_SIZE_UPLOAD(3)\fP
+.IP CURLINFO_SIZE_UPLOAD_T
+Number of bytes uploaded.
+See \fICURLINFO_SIZE_UPLOAD_T(3)\fP
+.IP CURLINFO_SIZE_DOWNLOAD
+(Deprecated) Number of bytes downloaded.
+See \fICURLINFO_SIZE_DOWNLOAD(3)\fP
+.IP CURLINFO_SIZE_DOWNLOAD_T
+Number of bytes downloaded.
+See \fICURLINFO_SIZE_DOWNLOAD_T(3)\fP
+.IP CURLINFO_SPEED_DOWNLOAD
+(Deprecated) Average download speed.
+See \fICURLINFO_SPEED_DOWNLOAD(3)\fP
+.IP CURLINFO_SPEED_DOWNLOAD_T
+Average download speed.
+See \fICURLINFO_SPEED_DOWNLOAD_T(3)\fP
+.IP CURLINFO_SPEED_UPLOAD
+(Deprecated) Average upload speed.
+See \fICURLINFO_SPEED_UPLOAD(3)\fP
+.IP CURLINFO_SPEED_UPLOAD_T
+Average upload speed.
+See \fICURLINFO_SPEED_UPLOAD_T(3)\fP
+.IP CURLINFO_HEADER_SIZE
+Number of bytes of all headers received.
+See \fICURLINFO_HEADER_SIZE(3)\fP
+.IP CURLINFO_REQUEST_SIZE
+Number of bytes sent in the issued HTTP requests.
+See \fICURLINFO_REQUEST_SIZE(3)\fP
+.IP CURLINFO_SSL_VERIFYRESULT
+Certificate verification result.
+See \fICURLINFO_SSL_VERIFYRESULT(3)\fP
+.IP CURLINFO_PROXY_SSL_VERIFYRESULT
+Proxy certificate verification result.
+See \fICURLINFO_PROXY_SSL_VERIFYRESULT(3)\fP
+.IP CURLINFO_SSL_ENGINES
+A list of OpenSSL crypto engines.
+See \fICURLINFO_SSL_ENGINES(3)\fP
+.IP CURLINFO_CONTENT_LENGTH_DOWNLOAD
+(Deprecated) Content length from the Content-Length header.
+See \fICURLINFO_CONTENT_LENGTH_DOWNLOAD(3)\fP
+.IP CURLINFO_CONTENT_LENGTH_DOWNLOAD_T
+Content length from the Content-Length header.
+See \fICURLINFO_CONTENT_LENGTH_DOWNLOAD_T(3)\fP
+.IP CURLINFO_CONTENT_LENGTH_UPLOAD
+(Deprecated) Upload size. See \fICURLINFO_CONTENT_LENGTH_UPLOAD(3)\fP
+.IP CURLINFO_CONTENT_LENGTH_UPLOAD_T
+Upload size.  See \fICURLINFO_CONTENT_LENGTH_UPLOAD_T(3)\fP
+.IP CURLINFO_CONTENT_TYPE
+Content type from the Content-Type header.
+See \fICURLINFO_CONTENT_TYPE(3)\fP
+.IP CURLINFO_RETRY_AFTER
+The value from the from the Retry-After header.
+See \fICURLINFO_RETRY_AFTER(3)\fP
+.IP CURLINFO_PRIVATE
+User's private data pointer.
+See \fICURLINFO_PRIVATE(3)\fP
+.IP CURLINFO_HTTPAUTH_AVAIL
+Available HTTP authentication methods.
+See \fICURLINFO_HTTPAUTH_AVAIL(3)\fP
+.IP CURLINFO_PROXYAUTH_AVAIL
+Available HTTP proxy authentication methods.
+See \fICURLINFO_PROXYAUTH_AVAIL(3)\fP
+.IP CURLINFO_OS_ERRNO
+The errno from the last failure to connect.
+See \fICURLINFO_OS_ERRNO(3)\fP
+.IP CURLINFO_NUM_CONNECTS
+Number of new successful connections used for previous transfer.
+See \fICURLINFO_NUM_CONNECTS(3)\fP
+.IP CURLINFO_PRIMARY_IP
+IP address of the last connection.
+See \fICURLINFO_PRIMARY_IP(3)\fP
+.IP CURLINFO_PRIMARY_PORT
+Port of the last connection.
+See \fICURLINFO_PRIMARY_PORT(3)\fP
+.IP CURLINFO_LOCAL_IP
+Local-end IP address of last connection.
+See \fICURLINFO_LOCAL_IP(3)\fP
+.IP CURLINFO_LOCAL_PORT
+Local-end port of last connection.
+See \fICURLINFO_LOCAL_PORT(3)\fP
+.IP CURLINFO_COOKIELIST
+List of all known cookies.
+See \fICURLINFO_COOKIELIST(3)\fP
+.IP CURLINFO_LASTSOCKET
+Last socket used.
+See \fICURLINFO_LASTSOCKET(3)\fP
+.IP CURLINFO_ACTIVESOCKET
+The session's active socket.
+See \fICURLINFO_ACTIVESOCKET(3)\fP
+.IP CURLINFO_FTP_ENTRY_PATH
+The entry path after logging in to an FTP server.
+See \fICURLINFO_FTP_ENTRY_PATH(3)\fP
+.IP CURLINFO_CERTINFO
+Certificate chain.
+See \fICURLINFO_CERTINFO(3)\fP
+.IP CURLINFO_TLS_SSL_PTR
+TLS session info that can be used for further processing.
+See \fICURLINFO_TLS_SSL_PTR(3)\fP
+.IP CURLINFO_TLS_SESSION
+TLS session info that can be used for further processing.  See
+\fICURLINFO_TLS_SESSION(3)\fP. Deprecated option, use
+\fICURLINFO_TLS_SSL_PTR(3)\fP instead!
+.IP CURLINFO_CONDITION_UNMET
+Whether or not a time conditional was met.
+See \fICURLINFO_CONDITION_UNMET(3)\fP
+.IP CURLINFO_RTSP_SESSION_ID
+RTSP session ID.
+See \fICURLINFO_RTSP_SESSION_ID(3)\fP
+.IP CURLINFO_RTSP_CLIENT_CSEQ
+RTSP CSeq that will next be used.
+See \fICURLINFO_RTSP_CLIENT_CSEQ(3)\fP
+.IP CURLINFO_RTSP_SERVER_CSEQ
+RTSP CSeq that will next be expected.
+See \fICURLINFO_RTSP_SERVER_CSEQ(3)\fP
+.IP CURLINFO_RTSP_CSEQ_RECV
+RTSP CSeq last received.
+See \fICURLINFO_RTSP_CSEQ_RECV(3)\fP
+.IP CURLINFO_PROTOCOL
+The protocol used for the connection. (Added in 7.52.0)
+See \fICURLINFO_PROTOCOL(3)\fP
+.IP CURLINFO_SCHEME
+The scheme used for the connection. (Added in 7.52.0)
+See \fICURLINFO_SCHEME(3)\fP
+.SH TIMES
+.nf
+An overview of the six time values available from curl_easy_getinfo()
+
+curl_easy_perform()
+    |
+    |--NAMELOOKUP
+    |--|--CONNECT
+    |--|--|--APPCONNECT
+    |--|--|--|--PRETRANSFER
+    |--|--|--|--|--STARTTRANSFER
+    |--|--|--|--|--|--TOTAL
+    |--|--|--|--|--|--REDIRECT
+.fi
+.IP NAMELOOKUP
+\fICURLINFO_NAMELOOKUP_TIME\fP and \fICURLINFO_NAMELOOKUP_TIME_T\fP.
+The time it took from the start until the name resolving was completed.
+.IP CONNECT
+\fICURLINFO_CONNECT_TIME\fP and \fICURLINFO_CONNECT_TIME_T\fP.
+The time it took from the start until the connect
+to the remote host (or proxy) was completed.
+.IP APPCONNECT
+\fICURLINFO_APPCONNECT_TIME\fP and \fICURLINFO_APPCONNECT_TIME_T\fP.
+The time it took from the start until the SSL
+connect/handshake with the remote host was completed. (Added in 7.19.0)
+The latter is the integer version (measuring microseconds).  (Added in 7.60.0)
+.IP PRETRANSFER
+\fICURLINFO_PRETRANSFER_TIME\fP and \fICURLINFO_PRETRANSFER_TIME_T\fP.
+The time it took from the start until the
+file transfer is just about to begin. This includes all pre-transfer commands
+and negotiations that are specific to the particular protocol(s) involved.
+.IP STARTTRANSFER
+\fICURLINFO_STARTTRANSFER_TIME\fP and \fICURLINFO_STARTTRANSFER_TIME_T\fP.
+The time it took from the start until the
+first byte is received by libcurl.
+.IP TOTAL
+\fICURLINFO_TOTAL_TIME\fP and \fICURLINFO_TOTAL_TIME_T\fP.
+Total time of the previous request.
+.IP REDIRECT
+\fICURLINFO_REDIRECT_TIME\fP and \fICURLINFO_REDIRECT_TIME_T\fP.
+The time it took for all redirection steps
+include name lookup, connect, pretransfer and transfer before final
+transaction was started. So, this is zero if no redirection took place.
+.SH RETURN VALUE
+If the operation was successful, CURLE_OK is returned. Otherwise an
+appropriate error code will be returned.
+.SH "SEE ALSO"
+.BR curl_easy_setopt "(3)"