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:

a - value to store in extra variable slot for structure sn

Arguments:

sn - pointer to a structure node

i - extra variable index to use. If not provided, index 1 is assumed.