docs/libcurl/opts/CURLINFO_PRIVATE.3

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.TH CURLINFO_PRIVATE 3 "November 04, 2020" "libcurl 7.78.0" "curl_easy_getinfo options"

.SH NAME
CURLINFO_PRIVATE \- get the private pointer
.SH SYNOPSIS
#include <curl/curl.h>

CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_PRIVATE, char **private);
.SH DESCRIPTION
Pass a pointer to a char pointer to receive the pointer to the private data
associated with the curl handle (set with the \fICURLOPT_PRIVATE(3)\fP).
Please note that for internal reasons, the value is returned as a char
pointer, although effectively being a 'void *'.
.SH PROTOCOLS
All
.SH EXAMPLE
.nf
CURL *curl = curl_easy_init();
if(curl) {
  void *pointer = 0x2345454;
  curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/foo.bin");

  /* set the private pointer */
  curl_easy_setopt(curl, CURLOPT_PRIVATE, pointer);
  ret = curl_easy_perform(curl);

  /* extract the private pointer again */
  ret = curl_easy_getinfo(curl, CURLINFO_PRIVATE, &pointer);

  curl_easy_cleanup(curl);
}
.fi
.SH AVAILABILITY
Added in 7.10.3
.SH RETURN VALUE
Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.
.SH "SEE ALSO"
.BR curl_easy_getinfo "(3), " curl_easy_setopt "(3), "
.BR CURLOPT_PRIVATE "(3), "