CURLOPT_TRAILERDATA - pointer passed to trailing headers callback

NAME  SYNOPSIS  DESCRIPTION  DEFAULT  PROTOCOLS  EXAMPLE  AVAILABILITY  RETURN VALUE  SEE ALSO 

---

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)

---