1CURLOPT_CLOSESOCKETDATA(3) curl_easy_setopt options CURLOPT_CLOSESOCKETDATA(3)
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NAME

6       CURLOPT_CLOSESOCKETDATA - pointer passed to the socket close callback
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SYNOPSIS

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

15       Pass a pointer that will be untouched by  libcurl  and  passed  as  the
16       first  argument in the closesocket callback set with CURLOPT_CLOSESOCK‐
17       ETFUNCTION(3).
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DEFAULT

20       The default value of this parameter is NULL.
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PROTOCOLS

23       All except file:
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EXAMPLE

26       static int closesocket(void *clientp, curl_socket_t item)
27       {
28         printf("libcurl wants to close %d now0, (int)item);
29         return 0;
30       }
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32       /* call this function to close sockets */
33       curl_easy_setopt(curl, CURLOPT_CLOSESOCKETFUNCTION, closesocket);
34       curl_easy_setopt(curl, CURLOPT_CLOSESOCKETDATA, &sockfd);
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AVAILABILITY

37       Added in 7.21.7
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RETURN VALUE

40       Returns CURLE_OK if the option is supported,  and  CURLE_UNKNOWN_OPTION
41       if not.
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SEE ALSO

44       CURLOPT_CLOSESOCKETFUNCTION(3), CURLOPT_OPENSOCKETFUNCTION(3),
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48libcurl 7.61.1                   May 31, 2017       CURLOPT_CLOSESOCKETDATA(3)
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