NAME

       CURLOPT_TRAILERDATA - pointer passed to trailing headers callback

SYNOPSIS

       #include <curl.h>

       CURLcode curl_easy_setopt(CURL *handle, CURLOPT_TRAILERDATA, void *userdata);

DESCRIPTION

       Data pointer to be passed to the HTTP trailer callback function.

DEFAULT

       NULL

PROTOCOLS

       HTTP

EXAMPLE

       struct MyData {
         void *custom;
       };

       int main(void)
       {
         CURL *curl = curl_easy_init();
         if(curl) {
           struct MyData data;
           curl_easy_setopt(curl, CURLOPT_TRAILERDATA, &data);
         }
       }

       A more complete example can be found in examples/http_trailers.html

AVAILABILITY

       This option was added in curl 7.64.0 and is present if HTTP support is enabled

RETURN VALUE

       Returns CURLE_OK.

SEE ALSO

       CURLOPT_TRAILERFUNCTION(3), CURLOPT_WRITEFUNCTION(3)