What is "the platform" on Win64?

[Richard Gaskin]

The Dictionary lists these values for "the platform":

    MacOS           any Mac OS, OS X, or Darwin system
    Linux           Linux for Intel or PowerPC architecture
    BSD             BSD UNIX (BSDI, FreeBSD)
    HP-9000/700     HP-UX
    SGI IRIS        Silicon Graphics IRIX
    IBM RS/6000     AIX
    Intel SCO       SCO Open DeskTop
    Intel SVR4      Solaris for x86 architecture
    SPARC           SPARC SunOS
    SPARC Solaris   SPARC Solaris
    Win32           Windows (any version post-3.1)

What does "the platform" return on 64-bit Windows systems?

--
  Richard Gaskin
  Fourth World
  Revolution training and consulting: http://www.fourthworld.com
  Webzine for Rev developers: http://www.revjournal.com