curl_multi_get_offt(3) Introduction to Library Functions curl_multi_get_offt(3)

curl_multi_get_offt - extract information from a multi handle

#include <curl/curl.h>
CURLMcode curl_multi_get_offt(CURLM *multi_handle,

CURLMinfo_offt info,
curl_off_t *pvalue);

Get the info kept in the multi handle. If the info is not applicable, this function returns CURLM_UNKNOWN_OPTION.

The following information can be extracted:

See CURLMINFO_XFERS_CURRENT(3).
See CURLMINFO_XFERS_RUNNING(3).
See CURLMINFO_XFERS_PENDING(3).
See CURLMINFO_XFERS_DONE(3).
See CURLMINFO_XFERS_ADDED(3).

This functionality affects all supported protocols

int main(void)
{

/* init a multi stack */
CURLM *multi = curl_multi_init();
CURL *curl = curl_easy_init();
curl_off_t n;
if(curl) {
/* add the transfer */
curl_multi_add_handle(multi, curl);
curl_multi_get_offt(multi, CURLMINFO_XFERS_ADDED, &n);
/* on successful add, n is 1 */
} }

Added in curl 8.16.0

This function returns a CURLMcode indicating success or error.

CURLM_OK (0) means everything was OK, non-zero means an error occurred, see libcurl-errors(3).

curl_multi_add_handle(3), curl_multi_remove_handle(3)

2025-10-26 libcurl