Unknown option: "-3"
Unix manual page for CURLOPT_TFTP_BLKSIZE. (host=minya system=Darwin)
CURLOPT_TFTP_BLKSIZE(3) curl_easy_setopt options CURLOPT_TFTP_BLKSIZE(3)
NAME
CURLOPT_TFTP_BLKSIZE - TFTP block size
SYNOPSIS
#include <curl/curl.h>
CURLcode curl_easy_setopt(CURL *handle, CURLOPT_TFTP_BLKSIZE, long
blocksize);
DESCRIPTION
Specify blocksize to use for TFTP data transmission. Valid range as per
RFC2348 is 8-65464 bytes. The default of 512 bytes will be used if this
option is not specified. The specified block size will only be used
pending support by the remote server. If the server does not return an
option acknowledgement or returns an option acknowledgement with no
blksize, the default of 512 bytes will be used.
DEFAULT
512
PROTOCOLS
TFTP
EXAMPLE
TODO
AVAILABILITY
Added in 7.19.4
RETURN VALUE
Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION
if not.
SEE ALSO
CURLOPT_MAXFILESIZE(3),
libcurl 7.54.0 February 03, 2016 CURLOPT_TFTP_BLKSIZE(3)