Man pages sections > man3 > CURLOPT_PRIVATE

CURLOPT_PRIVATE - store a private pointer

CURLOPT_PRIVATE(3) curl_easy_setopt options CURLOPT_PRIVATE(3)

NAME

CURLOPT_PRIVATE - store a private pointer

SYNOPSIS

#include <curl/curl.h>
 
CURLcode curl_easy_setopt(CURL *handle, CURLOPT_PRIVATE, void *pointer);

DESCRIPTION

Pass a void * as parameter, pointing to data that should be associated with this curl handle. The pointer can subsequently be retrieved using curl_easy_getinfo(3) with the CURLINFO_PRIVATE option. libcurl itself never does nothing with this data.

DEFAULT

NULL

PROTOCOLS

All

EXAMPLE

CURL *curl = curl_easy_init();
struct private secrets;
if(curl) {
  struct private *extracted;
  curl_easy_setopt(curl, CURLOPT_URL, "http://example.com");
/* store a pointer to our private struct */ curl_easy_setopt(curl, CURLOPT_PRIVATE, &secrets);
curl_easy_perform(curl);
/* we can extract the private pointer again too */ curl_easy_getinfo(curl, CURLINFO_PRIVATE, &extracted); }

AVAILABILITY

Added in 7.10.3

RETURN VALUE

Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.

SEE ALSO

CURLOPT_VERBOSE(3), CURLOPT_STDERR(3),
February 3, 2016 libcurl 7.55.1