1CURLOPT_SEEKDATA(3)        curl_easy_setopt options        CURLOPT_SEEKDATA(3)
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NAME

6       CURLOPT_SEEKDATA - pointer passed to the seek callback
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SYNOPSIS

9       #include <curl/curl.h>
10
11       CURLcode curl_easy_setopt(CURL *handle, CURLOPT_SEEKDATA, void *pointer);
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DESCRIPTION

14       Data pointer to pass to the seek callback function. If you use the CUR‐
15       LOPT_SEEKFUNCTION(3) option, this is the pointer you will get as input.
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DEFAULT

18       If you do not set this, NULL is passed to the callback.
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PROTOCOLS

21       HTTP, FTP, SFTP
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EXAMPLE

24       static int seek_cb(void *userp, curl_off_t offset, int origin)
25       {
26         struct data *d = (struct data *)userp;
27         lseek(d->our_fd, offset, origin);
28         return CURL_SEEKFUNC_OK;
29       }
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31       {
32         struct data seek_data;
33         curl_easy_setopt(CURL *handle, CURLOPT_SEEKFUNCTION, seek_cb);
34         curl_easy_setopt(CURL *handle, CURLOPT_SEEKDATA, &seek_data);
35       }
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AVAILABILITY

38       Added in 7.18.0
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RETURN VALUE

SEE ALSO
42       CURLOPT_STDERR(3), CURLOPT_DEBUGFUNCTION(3),
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46libcurl 7.85.0                   May 17, 2022              CURLOPT_SEEKDATA(3)



        

    


            
        

        

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