Annotation of embedaddon/curl/docs/libcurl/opts/CURLOPT_SEEKDATA.3, revision 1.1.1.1
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23: .TH CURLOPT_SEEKDATA 3 "October 31, 2019" "libcurl 7.70.0" "curl_easy_setopt options"
24:
25: .SH NAME
26: CURLOPT_SEEKDATA \- custom pointer passed to the seek callback
27: .SH SYNOPSIS
28: #include <curl/curl.h>
29:
30: CURLcode curl_easy_setopt(CURL *handle, CURLOPT_SEEKDATA, void *pointer);
31: .SH DESCRIPTION
32: Data \fIpointer\fP to pass to the seek callback function. If you use the
33: \fICURLOPT_SEEKFUNCTION(3)\fP option, this is the pointer you'll get as
34: input.
35: .SH DEFAULT
36: If you don't set this, NULL is passed to the callback.
37: .SH PROTOCOLS
38: HTTP, FTP, SFTP
39: .SH EXAMPLE
40: .nf
41: static int seek_cb(void *userp, curl_off_t offset, int origin)
42: {
43: struct data *d = (struct data *)userp;
44: lseek(d->our_fd, offset, origin);
45: return CURL_SEEKFUNC_OK;
46: }
47:
48: {
49: struct data seek_data;
50: curl_easy_setopt(CURL *handle, CURLOPT_SEEKFUNCTION, seek_cb);
51: curl_easy_setopt(CURL *handle, CURLOPT_SEEKDATA, &seek_data);
52: }
53: .fi
54: .SH AVAILABILITY
55: Added in 7.18.0
56: .SH RETURN VALUE
57: .SH "SEE ALSO"
58: .BR CURLOPT_STDERR "(3), " CURLOPT_DEBUGFUNCTION "(3), "
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