AD2191, standard IO, printf....how to select stream into serial ports

AD2191, I was wondering how to specify which port (RS232, SPORT, SPI)
to stream some text derived from printf.

I using VisualDSP++ 3.5 and just start learning to use it. I'm
experienced with C and C# derived from microchip c compliers. I making
a leap into VisualDSP++.

I'm also learning more about standard library. Which is the most
useful element of the standard library for texting control (to
hyperterminal, say).

It would be useful for anyone direct me to weblink that contains
sample of C code and programming practice associated with VisualDSP++
3.5, so I can make a kickstart. I completed the tutorial from
VisualDSP, but not much practice really.

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