Unknown option: "-3" Unix manual page for CURLINFO_CONTENT_LENGTH_UPLOAD. (host=minya system=Darwin)
CURLINFO_CONTENT_LENGTH_UPLcurl_easy_getinfo CURLINFO_CONTENT_LENGTH_UPLOAD(3)

NAME
       CURLINFO_CONTENT_LENGTH_UPLOAD - get the specified size of the upload

SYNOPSIS
       #include <curl/curl.h>

       CURLcode       curl_easy_getinfo(CURL       *handle,      CURLINFO_CON-
       TENT_LENGTH_UPLOAD,
                                  double *content_length);

DESCRIPTION
       Pass a pointer to a double to receive the specified size of the upload.
       Since 7.19.4, this returns -1 if the size isn't known.

PROTOCOLS
       All

EXAMPLE
       TODO

AVAILABILITY
       Added in 7.6.1

RETURN VALUE
       Returns  CURLE_OK  if the option is supported, and CURLE_UNKNOWN_OPTION
       if not.

SEE ALSO
       curl_easy_getinfo(3), curl_easy_setopt(3),

libcurl 7.54.0                 February 03, 2CURLINFO_CONTENT_LENGTH_UPLOAD(3)