I believe it is $FTN3000_66 CHARS ON is the compiler directive.  This causes
FTN77 to pass character variables like FORTRAN66.

Rich Trapp wrote in message ...
>Michael,
>   Fortran77 passes an extra length parameter for each parameter which is a
>char*nn type.  You can turn this off by including a certain compiler
>directive in the Fortran 77 programs and recompiling.
>
>Of course I can't remember it now...it's something like $FTN_66_CHARS ON or
>something like that