opts: 9 more options as separate man pages

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+.\" **************************************************************************
+.\" *                                  _   _ ____  _
+.\" *  Project                     ___| | | |  _ \| |
+.\" *                             / __| | | | |_) | |
+.\" *                            | (__| |_| |  _ <| |___
+.\" *                             \___|\___/|_| \_\_____|
+.\" *
+.\" * Copyright (C) 1998 - 2014, 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 http://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_ERRORBUFFER 3 "17 Jun 2014" "libcurl 7.37.0" "curl_easy_setopt options"
+.SH NAME
+CURLOPT_ERRORBUFFER \- set error buffer for error messages
+.SH SYNOPSIS
+#include <curl/curl.h>
+
+CURLcode curl_easy_setopt(CURL *handle, CURLOPT_ERRORBUFFER, [argument]);
+.SH DESCRIPTION
+Pass a char * to a buffer that the libcurl may store human readable error
+messages in on failures or problems. This may be more helpful than just the
+return code from \fIcurl_easy_perform(3)\fP and related functions. The buffer
+\fBmust be at least CURL_ERROR_SIZE bytes big\fP.
+
+You must keep the associated buffer available until libcurl no longer needs
+it. Failing to do so will cause very odd behavior or even crashes. libcurl
+will need it until you call \fIcurl_easy_cleanup(3)\fP or you set the same
+option again to use a different pointer.
+
+Consider \fICURLOPT_VERBOSE(3)\fP and \fICURLOPT_DEBUGFUNCTION(3)\fP to better
+debug and trace why errors happen.
+
+If the library does not return an error, the buffer may not have been
+touched. Do not rely on the contents in those cases.
+.SH DEFAULT
+NULL
+.SH PROTOCOLS
+All
+.SH EXAMPLE
+TODO
+.SH AVAILABILITY
+Always
+.SH RETURN VALUE
+Returns CURLE_OK
+.SH "SEE ALSO"
+.BR CURLOPT_DEBUGFUNCTION "(3), " CURLOPT_VERBOSE "(3), "