! This file created from f77/rma/c2f2cwinf.f with f77tof90
! -*- Mode: Fortran; -*- 
!
!  (C) 2003 by Argonne National Laboratory.
!      See COPYRIGHT in top-level directory.
!   
! Test just MPI-RMA
!
      program main
      use mpi
      integer errs, toterrs, ierr
      integer wrank, wsize
      integer wgroup, info, req, win
      integer result
      integer c2fwin
! The integer asize must be of ADDRESS_KIND size
      integer (kind=MPI_ADDRESS_KIND) asize

      errs = 0

      call mpi_init( ierr )

!
! Test passing a Fortran MPI object to C
      call mpi_comm_rank( MPI_COMM_WORLD, wrank, ierr )
      asize = 0
      call mpi_win_create( 0, asize, 1, MPI_INFO_NULL,  &
      &     MPI_COMM_WORLD, win, ierr )
      errs = errs + c2fwin( win )
      call mpi_win_free( win, ierr )

!
! Test using a C routine to provide the Fortran handle
      call f2cwin( win )
!     no info, in comm world, created with no memory (base address 0,
!     displacement unit 1
      call mpi_win_free( win, ierr )
      
!
! Summarize the errors
!
      call mtest_finalize( errs )

      end