ListNodePtrAt

Table of Contents

`ListNodePtrAt`

Reference to node at given index in list

Name	Direction	Description
`l`	in	List to get node from
`idx`	in	Index to fetch node at.

Reference to node in given list at given index.

NULL

    /// FAILURE: `NULL`
    ///
    #define ListNodeBegin(l) ListNodePtrAt((l), 0)
    
    ///

    /// FAILURE: `NULL`
    ///
    #define ListNodeEnd(l) ListNodePtrAt((l), (l)->length - 1)
    
    ///