CURLOPT_TRAILERDATA

Section: C Library Functions (3)
Updated: 202-0-19
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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)

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Index

NAME

SYNOPSIS

DESCRIPTION

DEFAULT

PROTOCOLS

EXAMPLE

AVAILABILITY

RETURN VALUE

SEE ALSO