CURLOPT_HTTPGET(3) on macOS

The text 9a709357f199, as macOS 10.12.5, macOS 10.12.4, macOS 10.12.3, macOS 10.12.2, macOS 10.12.1, macOS 10.12 shipped it.

ask for a HTTP GET request

CURLOPT_HTTPGET(3) on macOS now