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+.\" **************************************************************************
+.\" *                                  _   _ ____  _
+.\" *  Project                     ___| | | |  _ \| |
+.\" *                             / __| | | | |_) | |
+.\" *                            | (__| |_| |  _ <| |___
+.\" *                             \___|\___/|_| \_\_____|
+.\" *
+.\" * Copyright (C) 1998 - 2017, 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_INTERLEAVEDATA 3 "19 Jun 2014" "libcurl 7.37.0" "curl_easy_setopt options"
+.SH NAME
+CURLOPT_INTERLEAVEDATA \- custom pointer passed to RTSP interleave callback
+.SH SYNOPSIS
+#include <curl/curl.h>
+
+CURLcode curl_easy_setopt(CURL *handle, CURLOPT_INTERLEAVEDATA, void *pointer);
+.SH DESCRIPTION
+This is the userdata \fIpointer\fP that will be passed to
+\fICURLOPT_INTERLEAVEFUNCTION(3)\fP when interleaved RTP data is received. If
+the interleave function callback is not set, this pointer is not used
+anywhere.
+.SH DEFAULT
+NULL
+.SH PROTOCOLS
+RTSP
+.SH EXAMPLE
+.nf
+static size_t rtp_write(void *ptr, size_t size, size_t nmemb, void *user)
+{
+  struct local *l = (struct local *)user;
+  /* take care of the packet in 'ptr', then return... */
+  return size * nmemb;
+}
+{
+  struct local rtp_data;
+  curl_easy_setopt(curl, CURLOPT_INTERLEAVEFUNCTION, rtp_write);
+  curl_easy_setopt(curl, CURLOPT_INTERLEAVEDATA, &rtp_data);
+}
+.fi
+.SH AVAILABILITY
+Added in 7.20.0
+.SH RETURN VALUE
+Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.
+.SH "SEE ALSO"
+.BR CURLOPT_INTERLEAVEFUNCTION "(3), " CURLOPT_RTSP_REQUEST "(3), "