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CURLOPT_SEEKDATA

NAME

CURLOPT_SEEKDATA - pointer passed to the seek callback

SYNOPSIS

#include <curl/curl.h>

CURLcode curl_easy_setopt(CURL *handle, CURLOPT_SEEKDATA, void *pointer);

DESCRIPTION

Data pointer to pass to the seek callback function. If you use the CURLOPT_SEEKFUNCTION(3) option, this is the pointer you get as input.

DEFAULT

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

PROTOCOLS

HTTP, FTP, SFTP

EXAMPLE

static int seek_cb(void *clientp, curl_off_t offset, int origin)
{
struct data *d = (struct data *)clientp;
lseek(d->our_fd, offset, origin);
return CURL_SEEKFUNC_OK;
}

{
struct data seek_data;
curl_easy_setopt(CURL *handle, CURLOPT_SEEKFUNCTION, seek_cb);
curl_easy_setopt(CURL *handle, CURLOPT_SEEKDATA, &seek_data);
}

AVAILABILITY

Added in 7.18.0

RETURN VALUE

SEE ALSO

CURLOPT_DEBUGFUNCTION(3), CURLOPT_IOCTLFUNCTION(3), CURLOPT_SEEKFUNCTION(3), CURLOPT_STDERR(3)

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