# Register delegate to read datas from given buffer
fun register_read_datas_callback(delegate: NativeCurlCallbacks, datas: String): CURLCode
do
if datas.length > 0 then return native_register_read_datas_callback(delegate, datas, datas.length)
return once new CURLCode.unknown_option
end
lib/curl/native_curl.nit:187,2--192,4