Function Syntax

Syntax of a (non-recursive) function:

 
 [< prefix >] FUNCTION < procname >( [< dummy args >])

 		 < declaration of dummy args >

 		 < declaration of local objects >

 		 		 ...

 		 < executable stmts, assignment of result >

  [ CONTAINS

 		 < internal procedure definitions > ]

 END [ FUNCTION [ < procname > ] ]

here < prefix >, specifies the result type. or,

 
 FUNCTION < procname >( [< dummy args >])

 		 < declaration of dummy args >

 		 < declaration of result type >

 		 < declaration of local objects >

 		 		 ...

 		 < executable stmts, assignment of result >

  [ CONTAINS

 		 < internal procedure definitions > ]

 END [ FUNCTION [ < procname > ] ]

here, < procname > must be declared.

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