vchoi_fork

[svn-r3531] 
Purpose:
    Windows port and maintenance
Description:
    Windows Fortran requires interface bocks for each C function                                       called from F90 stub.                                                                              I also added comment blocks for each F90 API.
Solution:
    Added interface blocks.
Platforms tested:
    Linux (eirene) to test that things are still working on UNIX.