path_node — gives the node number of a path in a QNX 2 path definition.
path_node (path)
Any legal QNX 2 path.
The node number portion of the path in a QNX 2 path definition. If the path does not contain an explicit node portion, the function returns nil.
This function is for version 2 of the QNX operating system only.
Gamma> path_node("[2]3:/user"); 2 Gamma> path_node("3:/user"); 0
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