Using SVN
Note: in April of 2006 we switched from using CVS to SVN.
The SVN repository is used by PortAudio developers to keep track of the source code.
You can either log in using a SVN client on Unix, Windows, Macintosh or you can just download a tarball that is made every night from the repository.
Or you can browse the SVN repository online at: http://portaudio.com/trac/
See also these Instructions in Using PortAudio SVN