struct.node.extra
Syntax
- a = struct.node.extra(sn<,i>)
- struct.node.extra(sn<,i>) = a
Get/set the value stored in the ith extra variable array of structure node sn.
Returns: a - value stored in extra variable slot i for structure node sn
Accepts: Arguments: sn - a pointer to the structure node
i - extra variable index to use. If not provided, index 1 is assumed.
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