CURLOPT_TRAILERDATA(3) Library Functions Manual CURLOPT_TRAILERDATA(3)
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
This functionality affects http only
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);
}
}
AVAILABILITY
Added in curl 7.64.0
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).
SEE ALSO
CURLOPT_TRAILERFUNCTION(3), CURLOPT_WRITEFUNCTION(3)
libcurl 2025-02-08 CURLOPT_TRAILERDATA(3)
curl 8.12.0 - Generated Wed Feb 19 11:34:27 CST 2025