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9.   Statements for modular and OO structure of project
For more see links to the main provider's on-line documentation.
For MX COBOL see Summary comment + FAQ and How to ..

Common structure 

                                                                 60-1
program-id.
    Prog-1.
working-storage section.
1   Dat-2  data-spec*
    ..
procedure division.
    ..
    call  "Prog-4"  using  Dat-2  ...


program-id.
    Prog-4.
linkage section.
1   Dat-5  data-spec*
    ..
procedure division using  Dat-5  ...  .
    ..


MX limitations:
   - see How to in MX

call 

                                                                 60-1
call  DatX-1  using
      LitX-1
   params-spec*
      / [reference]  Dat-2
      / content  [length of]  Dat-3
   ...
   [returning  Dat-4]
   [exception
      imperative-statements-5*]
   [not exception
      imperative-statements-6*]
end-of-statement*
   end-call
   .


MX limitations:
   - the phrases not exception, end-call are not implemented
   - see How to in MX

cancel 

                                                                 60-1
cancel  DatX-1  ...
        LitX-1

entry 

                                                                 MX-1
entry  DatX-1  [using  Dat-2  ...]


Limitations:
   this format is IBM OSVS extension
   in the others dialects except MX and MF is not implemented

exit 

                                                                 60-1
exit
    

                                                                 02-2
exit  program
      method
      function
      perform
      paragraph
      section


MX limitations:
   this format is not implemented

goback 

                                                                 02-1
goback


Remarks:
   there are some other phrases in the others dialects and COBOL-02

invoke 

                                                                 02-1
invoke  Datx-1  DatX-2  using
                LitX-2
   params-spec*
      reference  Dat-3
      content
      value
   ...
   [returning  Dat-4]


MX limitations:
   this statement is not implemented

COBOL language in brief - © Vlastimil Cevela 2006
Date 2006-06-03 - Text Builder 0.65 - Time 20:31:48