easy:SetOpt_CURLU(handle)
#CURLOPT_CURLU
will explicitly override
#CURLOPT_URL
.
#CURLOPT_URL
or #CURLOPT_CURLU
must be get before a transfer is started.
libcurl will use this handle and its contents read-only and will not change its contents. An application can update the contents of the URL handle after a transfer is done and if the same handle is then used in a subsequent request the updated contents will then be used.