NAME
	SelectOutput -- Select a filehandle as the default output channel (V36)

   SYNOPSIS
	old_fh = SelectOutput(fh)
	D0                    D1

	 BPTR SelectOutput( BPTR)

   FUNCTION
	Set the current output as the default output for the process.
	This changes the value returned by  Output().  old_fh should
	be closed or saved as needed.

   INPUTS
	fh     - Newly desired output handle

   RESULT
	old_fh - Previous current output

   SEE ALSO
	 Output(),  SelectInput(),  Input()