Unknown option: "-3"
Unix manual page for curl_free. (host=minya system=Darwin)
curl_free(3) libcurl Manual curl_free(3)
NAME
curl_free - reclaim memory that has been obtained through a libcurl
call
SYNOPSIS
#include <curl/curl.h>
void curl_free( char *ptr );
DESCRIPTION
curl_free reclaims memory that has been obtained through a libcurl
call. Use curl_free(3) instead of free() to avoid anomalies that can
result from differences in memory management between your application
and libcurl.
SEE ALSO
curl_easy_unescape(3), curl_easy_escape(3)
libcurl 7.54.0 February 03, 2016 curl_free(3)