/NOPLATFORMS

  Displays  informational  messages  about  non-portable  language
  features  for  the  specified platform.  The following platforms
  are supported:

     COMMON
       Displays informational messages for all platforms.

     OpenVMS_Alpha
       Displays informational messages for the OpenVMS Alpha platform.

     OpenVMS_VAX
       Displays informational messages for the OpenVMS VAX platform.

     OpenVMS_I64
       Displays informational messages for the OpenVMS I64 platform.

     OSF1_AXP
       Displays informational messages for the Tru64 UNIX platform.