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46 lines
1.9 KiB
Groff
46 lines
1.9 KiB
Groff
.\" You can view this file with:
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.\" nroff -man [file]
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.\" $Id: curl_easy_perform.3,v 1.1 2002/03/04 10:09:49 bagder Exp $
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.\"
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.TH curl_easy_perform 3 "5 Mar 2001" "libcurl 7.7" "libcurl Manual"
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.SH NAME
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curl_easy_perform - Perform a file transfer
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.SH SYNOPSIS
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.B #include <curl/curl.h>
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.sp
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.BI "CURLcode curl_easy_perform(CURL *" handle ");
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.ad
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.SH DESCRIPTION
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This function is called after the init and all the curl_easy_setopt() calls
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are made, and will perform the transfer as described in the options.
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It must be called with the same
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.I handle
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as input as the curl_easy_init call returned.
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libcurl version 7.7 or later (for older versions see below): You can do any
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amount of calls to curl_easy_perform() while using the same handle. If you
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intend to transfer more than one file, you are even encouraged to do
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so. libcurl will then attempt to re-use the same connection for the following
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transfers, thus making the operations faster, less CPU intense and using less
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network resources. Just note that you will have to use
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.I curl_easy_setopt
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between the invokes to set options for the following curl_easy_perform.
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You must never call this function simultaneously from two places using the
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same handle. Let the function return first before invoking it another time. If
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you want parallel transfers, you must use several curl handles.
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Before libcurl version 7.7: You are only allowed to call this function once
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using the same handle. If you want to do repeated calls, you must call
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curl_easy_cleanup and curl_easy_init again first.
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.SH RETURN VALUE
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0 means everything was ok, non-zero means an error occurred as
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.I <curl/curl.h>
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defines. If the CURLOPT_ERRORBUFFER was set with
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.I curl_easy_setopt
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there will be a readable error message in the error buffer when non-zero is
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returned.
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.SH "SEE ALSO"
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.BR curl_easy_init "(3), " curl_easy_setopt "(3), "
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.SH BUGS
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Surely there are some, you tell me!
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