.\" ************************************************************************** .\" * _ _ ____ _ .\" * Project ___| | | | _ \| | .\" * / __| | | | |_) | | .\" * | (__| |_| | _ <| |___ .\" * \___|\___/|_| \_\_____| .\" * .\" * Copyright (C) 1998 - 2017, Daniel Stenberg, , 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_XFERINFODATA 3 "October 09, 2017" "libcurl 7.73.0" "curl_easy_setopt options" .SH NAME CURLOPT_XFERINFODATA \- custom pointer passed to the progress callback .SH SYNOPSIS #include CURLcode curl_easy_setopt(CURL *handle, CURLOPT_XFERINFODATA, void *pointer); .SH DESCRIPTION Pass a \fIpointer\fP that will be untouched by libcurl and passed as the first argument in the progress callback set with \fICURLOPT_XFERINFOFUNCTION(3)\fP. This is an alias for \fICURLOPT_PROGRESSDATA(3)\fP. .SH DEFAULT The default value of this parameter is NULL. .SH PROTOCOLS All .SH EXAMPLE https://curl.haxx.se/libcurl/c/progressfunc.html .SH AVAILABILITY Added in 7.32.0 .SH RETURN VALUE Returns CURLE_OK .SH "SEE ALSO" .BR CURLOPT_XFERINFOFUNCTION "(3), " CURLOPT_VERBOSE "(3), "