wrapper funcs to cvs cmds

[mehul choube]

Hi,
        I'm writing a wrappers to an existing command-line based 
cvs commands
The program goes like this
$ cvs login
(Logging in to address@hidden)
CVS password: (enter password here)
$ messages..... eg login sucessful or not.

        Basically my program needs to issue the cvs login 
command, wait for the
password prompt, sends the password and wait for the login 
messages. My
question is what kind of IPC should I use?

        online docs will be of great help.

mehul.
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