curlinfo_content_length_download(3) mojave man page | unix.com

CURLINFO_CONTENT_LENGTH_DOWNLOAD(3)			     curl_easy_getinfo options			       CURLINFO_CONTENT_LENGTH_DOWNLOAD(3)

NAME
       CURLINFO_CONTENT_LENGTH_DOWNLOAD - get content-length of download

SYNOPSIS
       #include <curl/curl.h>

       CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_CONTENT_LENGTH_DOWNLOAD,
				  double *content_length);

DESCRIPTION
       Pass  a	pointer  to  a	double to receive the content-length of the download. This is the value read from the Content-Length: field. Since
       7.19.4, this returns -1 if the size isn't known.

PROTOCOLS
       HTTP(S)

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), CURLINFO_CONTENT_LENGTH_UPLOAD(3),

libcurl 7.54.0							 February 03, 2016			       CURLINFO_CONTENT_LENGTH_DOWNLOAD(3)