include file: STDIO3A 28
!     ------------------------------------------------------------------   STDIO3A.2      
!     COMDECK FOR TWO-STREAM RADIATION CODE.                               STDIO3A.3      
!                                                                          STDIO3A.4      
!     MODULE TO SET UNIT NUMBERS FOR STANDARD I/O.                         STDIO3A.5      
!                                                                          STDIO3A.6      
      INTEGER                                                              STDIO3A.7      
     &     IU_STDIN                                                        STDIO3A.8      
!             UNIT NUMBER FOR STANDARD INPUT                               STDIO3A.9      
     &   , IU_STDOUT                                                       STDIO3A.10     
!             UNIT NUMBER FOR STANDARD OUTPUT                              STDIO3A.11     
     *   , IU_ERR                                                          STDIO3A.12     
!             UNIT NUMBER FOR ERROR MESSAGES                               STDIO3A.13     
!                                                                          STDIO3A.14     
      PARAMETER(                                                           STDIO3A.15     
     &     IU_STDIN=5                                                      STDIO3A.16     
     &   , IU_STDOUT=6                                                     STDIO3A.17     
     *   , IU_ERR=6                                                        STDIO3A.18     
     &   )                                                                 STDIO3A.19     
!                                                                          STDIO3A.20     
!     ------------------------------------------------------------------   STDIO3A.21