Turbo Pascal Structure 


 PROGRAM STRUCTURE: 

                         PROGRAM  ProgramName;

                         USES  UnitNames;

                         LABEL
                            LabelNames;

                         CONST
                            constant declarations;

                         TYPE
                            data type declaration;

                         VAR
                            variable type declarations;

                         BEGIN

                            .
                            .
                            .

                         END.



 PROCEDURE STRUCTURE: 

                         PROCEDURE ProcedureName;

                         LABEL
                            LabelNames;

                         CONST
                            constant declarations;

                         TYPE
                            data type declarations;

                         VAR
                            variable type declarations;

                         BEGIN

                            .
                            .
                            .

                         END;


 FUNCTION STRUCTURE: 

                         FUNCTION FunctionName : ResultType;

                         LABEL
                            LabelNames;

                         CONST
                            constant declarations;

                         TYPE
                            data type declarations;

                         VAR
                            variable type declarations;

                         BEGIN

                            .
                            .
                            .

                         END;




 UNIT STRUCTURE:

                         UNIT UnitName;

                            INTERFACE

                               USES UnitNames;

                               Procedure and Function forward declarations;

                            IMPLEMENTATION

                               Procedures and Functions

                            END.


 NOTE: 
         The names of procedures, functions, labels, variables, types,
         and constants are unique to each procedure, function or unit
         they are declared in.

         Procedures and Functions can be nested within other procedures
         and functions.  They may also be recursive, ie. they may call
         themselves.