CURLOPT_CHUNK_END_FUNCTION (3) - Linux Manuals
CURLOPT_CHUNK_END_FUNCTION: callback after a transfer with FTP wildcardmatch
NAME
CURLOPT_CHUNK_END_FUNCTION - callback after a transfer with FTP wildcardmatchSYNOPSIS
#include <curl/curl.h> long chunk_end_callback(void *ptr); CURLcode curl_easy_setopt(CURL *handle, CURLOPT_CHUNK_END_FUNCTION, chunk_end_callback);
DESCRIPTION
Pass a pointer to your callback function, which should match the prototype shown above.This function gets called by libcurl as soon as a part of the stream has been transferred (or skipped).
Return CURL_CHUNK_END_FUNC_OK if everything is fine or CURL_CHUNK_END_FUNC_FAIL to tell the lib to stop if some error occurred.