CURLOPT_TRAILERDATA3
Pointer passed to trailing headers callback
Usage
#include <curl.h> CURLcode curl_easy_setopt(CURL *handle, CURLOPT_TRAILERDATA, void *userdata);
Overview
Data pointer to be passed to the HTTP trailer callback function.
Default
NULL
Protocols
This functionality affects http only
Examples
struct MyData {
void *custom;
};
int main(void)
{
CURL *curl = curl_easy_init();
if(curl) {
struct MyData data;
curl_easy_setopt(curl, CURLOPT_TRAILERDATA, &data);
}
}
Return value
curl_easy_setopt(3) returns a CURLcode indicating success or error.
CURLE_OK (0) means everything was OK, non-zero means an error occurred, see libcurl-errors(3).
Releases
5 releases since Debian 10 (Buster); the text changed 4 times.