curl/docs/libcurl/opts/CURLOPT_TRAILERDATA.md
Daniel Stenberg e3fe020089
docs/libcurl: generate PROTOCOLS from meta-data
Remove the PROTOCOLS section from the source files completely and
instead generate them based on the header data in the curldown files.

It also generates TLS backend information for options marked for TLS as
protocol.

Closes #13175
2024-03-23 18:13:03 +01:00

871 B

c SPDX-License-Identifier Title Section Source See-also Protocol
Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al. curl CURLOPT_TRAILERDATA 3 libcurl
CURLOPT_TRAILERFUNCTION (3)
CURLOPT_WRITEFUNCTION (3)
HTTP

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

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

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

RETURN VALUE

Returns CURLE_OK.