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RemTail -- remove the tail node from a list
node = RemTail(list)
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struct Node *RemTail(struct List *);
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".
This function does not arbitrate for access to the list. The
calling task must be the owner of the involved list.
list - a pointer to the target list header
node - the node removed or zero when empty list
AddHead(), AddTail(), Enqueue(), Insert(), Remove(), RemHead(), RemTail()
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