carta

CURLOPT_SEEKFUNCTION(3) on macOS

The text afac3e5f9bc3, as OS X 10.10.4, OS X 10.10.3, OS X 10.10.2, OS X 10.10.1, OS X 10.10 shipped it.

user callback for seeking in input stream

CURLOPT_SEEKFUNCTION(3) on macOS now