a86c63ca
 Hu Chunming
提交三方库文件
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.\" **************************************************************************
.\" * _ _ ____ _
.\" * Project ___| | | | _ \| |
.\" * / __| | | | |_) | |
.\" * | (__| |_| | _ <| |___
.\" * \___|\___/|_| \_\_____|
.\" *
.\" * Copyright (C) 1998 - 2020, 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.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 CURLOPT_PRIVATE 3 "November 04, 2020" "libcurl 7.77.0" "curl_easy_setopt options"
.SH NAME
CURLOPT_PRIVATE \- store a private pointer
.SH SYNOPSIS
#include <curl/curl.h>
CURLcode curl_easy_setopt(CURL *handle, CURLOPT_PRIVATE, void *pointer);
.SH DESCRIPTION
Pass a void * as parameter, pointing to data that should be associated with
this curl handle. The pointer can subsequently be retrieved using
\fIcurl_easy_getinfo(3)\fP with the CURLINFO_PRIVATE option. libcurl itself
never does anything with this data.
.SH DEFAULT
NULL
.SH PROTOCOLS
All
.SH EXAMPLE
.nf
CURL *curl = curl_easy_init();
struct private secrets;
if(curl) {
struct private *extracted;
curl_easy_setopt(curl, CURLOPT_URL, "https://example.com");
/* store a pointer to our private struct */
curl_easy_setopt(curl, CURLOPT_PRIVATE, &secrets);
curl_easy_perform(curl);
/* we can extract the private pointer again too */
curl_easy_getinfo(curl, CURLINFO_PRIVATE, &extracted);
}
.fi
.SH AVAILABILITY
Added in 7.10.3
.SH RETURN VALUE
Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.
.SH "SEE ALSO"
.BR CURLOPT_VERBOSE "(3), " CURLOPT_STDERR "(3), "
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