1CURLOPT_PRIVATE(3)         curl_easy_setopt options         CURLOPT_PRIVATE(3)
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NAME

6       CURLOPT_PRIVATE - store a private pointer
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SYNOPSIS

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

15       Pass a void * as parameter, pointing to data that should be  associated
16       with this curl handle.  The pointer can subsequently be retrieved using
17       curl_easy_getinfo(3) with the CURLINFO_PRIVATE option.  libcurl  itself
18       never does anything with this data.
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DEFAULT

21       NULL
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PROTOCOLS

24       All
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EXAMPLE

27       CURL *curl = curl_easy_init();
28       struct private secrets;
29       if(curl) {
30         struct private *extracted;
31         curl_easy_setopt(curl, CURLOPT_URL, "http://example.com");
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33         /* store a pointer to our private struct */
34         curl_easy_setopt(curl, CURLOPT_PRIVATE, &secrets);
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36         curl_easy_perform(curl);
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38         /* we can extract the private pointer again too */
39         curl_easy_getinfo(curl, CURLINFO_PRIVATE, &extracted);
40       }
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AVAILABILITY

43       Added in 7.10.3
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RETURN VALUE

46       Returns  CURLE_OK  if the option is supported, and CURLE_UNKNOWN_OPTION
47       if not.
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SEE ALSO

50       CURLOPT_VERBOSE(3), CURLOPT_STDERR(3),
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54libcurl 7.66.0                 December 08, 2017            CURLOPT_PRIVATE(3)
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