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Syntax:
Syntax 1 (Defining a numeric FUNCTION):
DECLARE FUNCTION funcname
[(dummyparameter[,dummyparameter...])]
Syntax 2 (Defining a character FUNCTION):
DECLARE FUNCTION funcname [(dummyparameter
[,dummyparameter...])][[stringlength]]
Syntax 3 (Defining a SUB):
DECLARE SUB subname[(dummyparameter
[,dummyparameter...])]
Parameter:
funcname
• For numerics
funcname% Integer function name
funcname Real function name
• For strings
funcname$ Character function name
subname
Real function name.
dummyparameter
A non-array integer variable, a non-array real variable, or a non-array string
variable.
stringlength
An integer constant having a value from 1 to 255.
User-defined function declarative statement
DECLARE
Declares user-created function FUNCTION or SUB externally defined.
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