Q27475: Can’t Pass QuickBASIC COMMON Block to FORTRAN

Article: Q27475
Product(s): See article
Version(s): 4.00 4.00b 4.50
Operating System(s): MS-DOS
Keyword(s): ENDUSER | B_BasicCom | mspl13_basic
Last Modified: 14-JUN-1989

When passing a FORTRAN COMMON block to a compiled BASIC procedure, the
first variable in the FORTRAN COMMON block is passed as a parameter in
the CALL statement. The compiled BASIC procedure receives the variable
as a user-defined type that corresponds to the COMMON block. This
works when passing a FORTRAN COMMON block to a compiled BASIC
procedure, but is not supported for passing a BASIC COMMON block to a
FORTRAN routine, because FORTRAN does not support user-defined types.

You cannot pass a COMMON block defined in a compiled BASIC procedure
to a FORTRAN routine.

This information applies to Microsoft QuickBASIC Versions 4.00, 4.00b,
and 4.50 for MS-DOS, and to the Microsoft BASIC Compiler Versions 6.00
and 6.00b for MS-DOS and OS/2.

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