UniBasic Commands Reference - Rocket Software

Parameters
The following table describes each parameter of the syntax.
Parameter Description
function.name Specifies the function name that the calling statement uses in
this program.
(MAT arg.1 ,MAT
arg.2...)
Examples
Specifies the arguments to be passed to the function. You must
enclose arguments in parentheses and separate them with
commas. Precede an argument with MAT to indicate that the
argument is an array.
CALLING file.name Specifies the function’s cataloged file name. Include this
statement if the cataloged program name differs from
function.name. Can be a literal or variable.
DEFFUN Parameters
The DEFFUN statement in the following example declares myfunc. The CALLING
clause indicates that the name of the cataloged file that contains the FUNCTION
statement is called yourfunc. In the first print statement, the function is called and the
return value is printed.
DEFFUN myfunc(a, MAT b, c) CALLING "yourfunc" ;* Declare function.
DIM b(10) ;* Define array.
a = 2 ;* Set upper bound.
FOR i = 1 TO a ;* Initialize array.
b(i) = i
NEXT i
PRINT "r from FUNCTION: ":myfunc(a, MAT b, c)
PRINT "c from FUNCTION: ":c
DEFFUN 1-198