rsync - Apr 2008 - some questions about "do_server_sender" and "do_server_recv" in rsync-0.1

Hello,I'm studying the source code of rsync-0.1 recently.Because the latest
version is so complicated, I have to start my study from rsync-0.1 for
simplicity.
In the main.c file of rsync-0.1, there are two
functions--"do_server_sender" and "do_server_recv".I
don't know when they work.When I want to transfer files between a local
client and a remote server, I could use command: rsync src user@host:dest  or
rsync user@host:src dest.But what's the commant format if I want to call
--"do_server_sender" and "do_server_recv"?
And I wonder that -s and -S option each stands for in rsync command because they
are related to
"do_server_sender" and "do_server_recv".
Thank you!
2008-04-10 



alanqk 
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