ESMF_IOCreate Function

  function ESMF_IOCreate(keywordEnforcer, rc)
!
! !RETURN VALUE:
    type(ESMF_IO) :: ESMF_IOCreate

! !ARGUMENTS:
type(ESMF_KeywordEnforcer), optional:: keywordEnforcer ! must use keywords below
    integer,                 intent(out), optional :: rc

! !DESCRIPTION:
!     Creates a new {\tt ESMF\_IO} object.    
!
!     The arguments are:
!     \begin{description}
!     \item[{[rc]}]
!          Return code; equals {\tt ESMF\_SUCCESS} if there are no errors.
!     \end{description}
!     
!EOPI

    ! local return code
    integer :: localrc
!
!   ! Assume failure until success
    if (present(rc)) rc = ESMF_RC_NOT_IMPL
    localrc = ESMF_RC_NOT_IMPL
!
!   invoke C to C++ entry point to allocate and initialize new io
    call c_ESMC_IOCreate(ESMF_IOCreate, localrc)
    if (ESMF_LogFoundError(localrc, ESMF_ERR_PASSTHRU, &
         ESMF_CONTEXT, rcToReturn=rc)) return

    ! Return success
    if (present(rc)) rc = ESMF_SUCCESS
  end function ESMF_IOCreate