I have 3 basic functions Curl_sftp_connect(), Curl_sftp() and
Curl_sftp_done()

Curl_sftp_connect() does the initial connection and authentications.

Curl_sftp_done() does cleanup to close it down.

Curl_sftp_connect():
* In here I should open the remote file with the right mode?
* Call Curl_Transfer()?

To help reduce these questions, is there a document that I missed the
the architecture for the internals?

Jim

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