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+.\" **************************************************************************
+.\" *                                  _   _ ____  _
+.\" *  Project                     ___| | | |  _ \| |
+.\" *                             / __| | | | |_) | |
+.\" *                            | (__| |_| |  _ <| |___
+.\" *                             \___|\___/|_| \_\_____|
+.\" *
+.\" * Copyright (C) 1998 - 2015, 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 CURLOPT_PRIVATE 3 "17 Jun 2014" "libcurl 7.37.0" "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, "http://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), "