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# nodename_to_node(+Graph, +NodeName, -Node)

Retrieves the node number given a node name

Graph
  a graph structure
NodeName
  ground data, usually node name
Node
  an integer node number

## Description

### Modes and Determinism

- nodename_to_node(+, +, -) is semidet

### Fail Conditions

Fails if no node name information is available

## See Also

node_to_nodename / 3, nodes_to_nodenames / 3, nodenames_to_nodes / 3