CURLOPT_SEEKDATA(3) curl_easy_setopt options CURLOPT_SEEKDATA(3)
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 CUR-
LOPT_SEEKFUNCTION(3) option, this is the pointer you will 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 *userp, curl_off_t offset, int origin)
{
struct data *d = (struct data *)userp;
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_STDERR(3), CURLOPT_DEBUGFUNCTION(3),
libcurl 7.81.0 November 26, 2021 CURLOPT_SEEKDATA(3)
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