Examples

Example: Some other uses of AUTOMATIC:

       AUTOMATIC A, B, C 
       REAL P, D, Q 
       AUTOMATIC P, D, Q 
       IMPLICIT AUTOMATIC (X-Z) 

Example: Structures are unpredictable if AUTOMATIC:

demo% cat autostru.f
       AUTOMATIC X
       STRUCTURE /ABC/
       INTEGER I
       END STRUCTURE
       RECORD /ABC/ X     X is automatic. It cannot be a structure.
       X.I = 1
       PRINT '(I2)', X.I
       END
demo% f77 -silent autostru.f
demo% a.out
*** TERMINATING a.out
*** Received signal 10 (SIGBUS)
Bus Error (core dumped)
demo%