curl_multi_get_offt(3) Introduction to Library Functions

NAME

curl_multi_get_offt - extract information from a multi handle

SYNOPSIS

#include <curl/curl.h>

CURLMcode curl_multi_get_offt(CURLM *multi_handle,
CURLMinfo_offt info,
curl_off_t *pvalue);

DESCRIPTION

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

OPTIONS

The following information can be extracted:

CURLMINFO_XFERS_CURRENT
See CURLMINFO_XFERS_CURRENT(3).

CURLMINFO_XFERS_RUNNING
See CURLMINFO_XFERS_RUNNING(3).

CURLMINFO_XFERS_PENDING
See CURLMINFO_XFERS_PENDING(3).

CURLMINFO_XFERS_DONE
See CURLMINFO_XFERS_DONE(3).

CURLMINFO_XFERS_ADDED
See CURLMINFO_XFERS_ADDED(3).

PROTOCOLS

This functionality affects all supported protocols

EXAMPLE

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 */
}
}

AVAILABILITY

Added in curl 8.16.0

RETURN VALUE

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).

SEE ALSO

curl_multi_add_handle(3), curl_multi_remove_handle(3)

libcurl 2026-01-08 curl_multi_get_offt(3)