NAME

       CURLOPT_IOCTLDATA - custom pointer passed to I/O callback

SYNOPSIS

       #include <curl/curl.h>

       CURLcode curl_easy_setopt(CURL *handle, CURLOPT_IOCTLDATA, void *pointer);

DESCRIPTION

       Pass  the  pointer that will be untouched by libcurl and passed as the 3rd argument in the
       ioctl callback set with CURLOPT_IOCTLFUNCTION(3).

DEFAULT

       By default, the value of this parameter is NULL.

PROTOCOLS

       Used with HTTP

EXAMPLE

       TODO

AVAILABILITY

       Added in 7.12.3

RETURN VALUE

       Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.

SEE ALSO

       CURLOPT_IOCTLFUNCTION(3), CURLOPT_SEEKFUNCTION(3),