1 DECLARE
 The DECLARE statement explicitly assigns  a  data  type  to  and  names  a
 variable, an entire array, a function, or a constant.

 Examples

 DECLARE INTEGER Catalog_num(100 TO 200) 
 DECLARE DOUBLE FUNCTION Cube_volume (REAL)
 DECLARE GFLOAT CONSTANT Lambda = .00000000000005

2 Syntax

 Variables:

     DECLARE data-type decl-item [, [ data-type ] decl-item ]...

       decl-item:  { unsubs-var-name                              }
                   { array-name ([int-const1 TO] int-const2,... ) }

 DEF Functions:

     DECLARE data-type FUNCTION { def-name [ ( [ def-param ],... ) ] },...

       def-param:  [ data-type ]

 Named Constants:

     DECLARE data-type CONSTANT { const-name = const },...