NAME
    RemTail -- remove the tail node from a list

SYNOPSIS
    node = RemTail(list)
    D0             A0

    struct node *remtail(struct list *);

FUNCTION
    Remove the last node from a list, and return a pointer to it. If
    the list is empty, return zero. Assembly programmers may prefer to
    use the REMTAIL macro from "exec/lists.i".

WARNING
    This function does not arbitrate for access to the list.  The
    calling task must be the owner of the involved list.

INPUTS
    list - a pointer to the target list header

RESULT
    node - the node removed or zero when empty list

SEE ALSO
    addhead, addtail, enqueue, insert, remove, remhead, remtail