Annotation of embedaddon/curl/docs/libcurl/opts/CURLOPT_SEEKDATA.3, revision 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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