# GetNodePosFromTail

Gets the ordinal position of a node within a list, counting from the tail of the list.

### Synopsis

`int32 GetNodePosFromTail(const List *l, const Node *n);`

### Description

This function scans the supplied list backward looking for the supplied node, and returns the ordinal position of the node within the list. If the node doesn't appear in the list, the function returns -1.

### Arguments

l
  A pointer to the list to scan for the node.

n
  A pointer to a node to locate in the list.

### Return Value

The ordinal position of the node within the list counting from the tail of the list, or -1 if the node isn't in the list. The last node in the list has position 0, the second to last node has position 1, etc.

### Implementation

Convenience call implemented in clib.lib V24.

### Associated Files

list.h
  ANSI C Prototype

clib.lib
  ARM Link Library

### Caveats

GIGO (garbage in, garbage out)

### See Also

``AddHead`(), AddTail(), InsertNodeFromHead(), InsertNodeFromTail(), RemHead(), RemNode(), RemTail()`

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