CURLMOPT_SOCKETDATA − custom pointer passed to the socket callback
#include <curl/curl.h>
CURLMcode curl_multi_setopt(CURLM *handle, CURLMOPT_SOCKETDATA, void *pointer);
A data pointer to pass to the socket callback set with the CURLMOPT_SOCKETFUNCTION(3) option.
This pointer will not be touched by libcurl but will only be passed in to the socket callbacks’s userp argument.
NULL
All
TODO
Added in 7.15.4
Returns CURLM_OK.
CURLMOPT_SOCKETFUNCTION(3), curl_multi_socket_action(3), CURLMOPT_TIMERFUNCTION(3)