CURLOPT_TRANSFER_ENCODING

CURLOPT_TRANSFER_ENCODING is one of the accepted parameters for curl_setopt parameter #2.

CURLOPT_TRANSFER_ENCODING — Set to 1 to enable and 0 to disable requesting compressed Transfer Encoding in the outgoing HTTP request. If the server responds with a compressed Transfer Encoding, cURL will automatically uncompress it on reception. Defaults to 0. Available as of cURL 7.21.6.

CURLOPT_TRANSFER_ENCODING = 207;